The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
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COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
Acacia Research Corp. COMMON 003881307 13,602 3,588,961 SH   SOLE 0 3,588,961 0 0
Accenture plc COMMON G1151C101 1,070 9,268 SH   SOLE 0 9,268 0 0
AFLAC Inc. COMMON 001055102 123,914 1,962,516 SH   SOLE 0 1,917,371 0 45,145
American Electric Technologies, Inc. COMMON 025576109 2,885 1,594,073 SH   SOLE 0 1,041,981 0 552,092
American Express Co. COMMON 025816109 40,211 654,897 SH   SOLE 0 654,897 0 0
Anixter Intl Inc. COMMON 035290105 172,993 3,319,760 SH   SOLE 0 3,124,203 0 195,557
Ansys, Inc. COMMON 03662Q105 9,517 106,385 SH   SOLE 0 106,385 0 0
Apache Corp. COMMON 037411105 3,498 71,670 SH   SOLE 0 71,670 0 0
ArcBest Corp COMMON 03937C105 2,366 109,600 SH   SOLE 0 109,600 0 0
Astro-Med, Inc. COMMON 04638F108 14,606 1,053,845 SH   SOLE 0 693,670 0 360,175
AXT Inc. COMMON 00246W103 8,009 3,242,688 SH   SOLE 0 2,119,994 0 1,122,694
Baidu, Inc. ADR ADR 056752108 158,862 832,263 SH   SOLE 0 787,975 0 44,288
Ballantyne Strong, Inc. COMMON 058516105 8,619 1,877,691 SH   SOLE 0 1,226,327 0 651,364
Banco Santander-Chile ADR ADR 05965X109 20,983 1,084,367 SH   SOLE 0 980,448 0 103,919
Bank of New York Mellon Corp. COMMON 064058100 4,161 112,970 SH   SOLE 0 112,970 0 0
Barrick Gold Corp. COMMON 067901108 5,624 414,143 SH   SOLE 0 414,143 0 0
Bed Bath & Beyond Inc. COMMON 075896100 4,827 97,240 SH   SOLE 0 97,240 0 0
Berkshire Hathaway Inc. COMMON 084670702 22,422 158,036 SH   SOLE 0 158,036 0 0
Bio-Rad Laboratories, Inc. COMMON 090572207 137,334 1,004,492 SH   SOLE 0 928,999 0 75,493
Blackstone Group L.P. COMMON 09253U108 41,892 1,493,482 SH   SOLE 0 1,456,002 0 37,480
BorgWarner Inc COMMON 099724106 4,384 114,165 SH   SOLE 0 114,165 0 0
Brady Corp. COMMON 104674106 128,464 4,786,292 SH   SOLE 0 4,329,037 0 457,255
Brink's Co. COMMON 109696104 45,742 1,361,787 SH   SOLE 0 1,193,457 0 168,330
Bristow Group Inc. COMMON 110394103 185,445 9,801,510 SH   SOLE 0 9,163,013 0 638,497
British American Tobacco plc ADR ADR 110448107 10,192 87,182 SH   SOLE 0 79,471 0 7,711
Brooks Automation, Inc. COMMON 114340102 7,115 684,100 SH   SOLE 0 684,100 0 0
BT Group plc ADR ADR 05577E101 202 6,308 SH   SOLE 0 6,308 0 0
Canon Inc. ADR ADR 138006309 530 17,784 SH   SOLE 0 17,784 0 0
Capital Southwest Corp. COMMON 140501107 3,441 248,100 SH   SOLE 0 248,100 0 0
CBRE Group, Inc. COMMON 12504L109 88,850 3,082,940 SH   SOLE 0 2,882,411 0 200,529
CBS Corp. COMMON 124857202 73,992 1,343,110 SH   SOLE 0 1,310,873 0 32,237
CEB Inc. COMMON 125134106 18,024 278,455 SH   SOLE 0 238,330 0 40,125
Century Casinos, Inc. COMMON 156492100 19,383 3,146,607 SH   SOLE 0 2,428,748 0 717,859
Charles River Laboratories Intl, Inc. COMMON 159864107 126,589 1,666,955 SH   SOLE 0 1,497,826 0 169,129
Chesapeake Energy Corp. COMMON 165167107 566 137,360 SH   SOLE 0 137,360 0 0
China Mobile Ltd. ADR ADR 16941M109 37,037 667,928 SH   SOLE 0 667,928 0 0
Coach, Inc. COMMON 189754104 7,390 184,340 SH   SOLE 0 184,340 0 0
Contango Oil & Gas Co. COMMON 21075N204 55,467 4,704,579 SH   SOLE 0 4,176,258 0 528,321
Core Laboratories N.V. COMMON N22717107 34,338 305,469 SH   SOLE 0 305,469 0 0
Costco Wholesale Corp. COMMON 22160K105 2,338 14,834 SH   SOLE 0 14,834 0 0
Cowen Group, Inc. COMMON 223622101 42,899 11,259,648 SH   SOLE 0 8,681,826 0 2,577,822
CPI Aerostructures, Inc. COMMON 125919308 10,315 1,407,215 SH   SOLE 0 927,063 0 480,152
CRA International, Inc. COMMON 12618T105 2,893 147,300 SH   SOLE 0 147,300 0 0
Crown Crafts, Inc. COMMON 228309100 6,361 687,643 SH   SOLE 0 452,232 0 235,411
Cullen/Frost Bankers, Inc. COMMON 229899109 1,669 30,279 SH   SOLE 0 30,279 0 0
Cumberland Pharmaceuticals, Inc. COMMON 230770109 8,875 1,976,671 SH   SOLE 0 1,295,271 0 681,400
DeVry Education Group Inc. COMMON 251893103 33,445 1,936,609 SH   SOLE 0 1,902,594 0 34,015
Diageo plc ADR ADR 25243Q205 292 2,707 SH   SOLE 0 2,707 0 0
Digi International Inc. COMMON 253798102 1,863 197,600 SH   SOLE 0 197,600 0 0
Discover Financial Services COMMON 254709108 489 9,598 SH   SOLE 0 9,598 0 0
Dover Motorsports, Inc. COMMON 260174107 7,079 3,118,467 SH   SOLE 0 2,052,591 0 1,065,876
Dun & Bradstreet Corp. COMMON 26483E100 93,681 908,819 SH   SOLE 0 828,962 0 79,857
Edgewater Technology Inc. COMMON 280358102 14,602 1,874,415 SH   SOLE 0 1,234,337 0 640,078
Electro Rent Corp. COMMON 285218103 11,702 1,263,662 SH   SOLE 0 1,033,656 0 230,006
Electro Scientific Industries, Inc. COMMON 285229100 1,697 237,328 SH   SOLE 0 237,328 0 0
EMC Corp. COMMON 268648102 5,865 220,089 SH   SOLE 0 220,089 0 0
EOG Resources Inc. COMMON 26875P101 17,603 242,535 SH   SOLE 0 242,535 0 0
Erickson Inc. COMMON 29482P100 3,477 2,107,221 SH   SOLE 0 1,512,562 0 594,659
Exxon Mobil Corp. COMMON 30231G102 5,678 67,925 SH   SOLE 0 67,925 0 0
Fair Isaac Corp. COMMON 303250104 48,375 455,978 SH   SOLE 0 402,951 0 53,027
Fastenal Co. COMMON 311900104 2,038 41,594 SH   SOLE 0 41,594 0 0
First American Financial Corp. COMMON 31847R102 227,948 5,981,316 SH   SOLE 0 5,613,759 0 367,557
Franklin Resources, Inc. COMMON 354613101 74,166 1,899,260 SH   SOLE 0 1,858,540 0 40,720
Gaiam, Inc. COMMON 36268Q103 9,905 1,547,702 SH   SOLE 0 1,547,702 0 0
Gannett Co. Inc. COMMON 36473H104 28,690 1,894,953 SH   SOLE 0 1,729,442 0 165,511
Gilead Sciences, Inc. COMMON 375558103 124,975 1,360,492 SH   SOLE 0 1,360,492 0 0
GlaxoSmithKline plc ADR ADR 37733W105 64,187 1,582,913 SH   SOLE 0 1,450,858 0 132,055
Goldman Sachs Group, Inc. COMMON 38141G104 5,307 33,810 SH   SOLE 0 33,810 0 0
Graham Holdings Co. COMMON 384637104 11,695 24,365 SH   SOLE 0 22,668 0 1,697
Gulf Island Fabrication, Inc. COMMON 402307102 4,365 556,000 SH   SOLE 0 556,000 0 0
Hanger, Inc. COMMON 41043F208 1,475 226,895 SH   SOLE 0 226,895 0 0
Hardinge Inc. COMMON 412324303 8,685 696,450 SH   SOLE 0 449,872 0 246,578
Harman Intl Industries, Inc. COMMON 413086109 77,013 864,923 SH   SOLE 0 864,923 0 0
Harris & Harris Group, Inc. COMMON 413833104 6,285 3,808,864 SH   SOLE 0 2,495,713 0 1,313,151
Horace Mann Educators Corp. COMMON 440327104 13,342 421,029 SH   SOLE 0 364,049 0 56,980
Houlihan Lokey, Inc. COMMON 441593100 20,882 838,646 SH   SOLE 0 815,641 0 23,005
HSBC Holdings plc ADR ADR 404280406 1,790 57,512 SH   SOLE 0 57,512 0 0
IDEX Corp. COMMON 45167R104 28,164 339,812 SH   SOLE 0 271,914 0 67,898
Illinois Tool Works Inc. COMMON 452308109 93,431 912,051 SH   SOLE 0 890,153 0 21,898
Imation Corp. COMMON 45245A107 11,788 7,605,195 SH   SOLE 0 5,713,367 0 1,891,828
IntercontinentalExchange, Inc. COMMON 45866F104 963 4,097 SH   SOLE 0 4,097 0 0
Interface, Inc. COMMON 458665304 17,905 965,737 SH   SOLE 0 839,107 0 126,630
International Business Machines Corp. COMMON 459200101 8,377 55,310 SH   SOLE 0 55,310 0 0
International Speedway Corp. COMMON 460335201 155,711 4,218,675 SH   SOLE 0 3,900,318 0 318,357
Interpublic Group of Cos., Inc. COMMON 460690100 185,740 8,093,242 SH   SOLE 0 7,648,424 0 444,818
iShares MSCI Switzerland Capped ETF ETF 464286749 1,688 56,789 SH   SOLE 0 56,789 0 0
iShares MSCI United Kingdom Index ETF ETF 46434V548 2,692 171,715 SH   SOLE 0 138,213 0 33,502
Itau Unibanco Holding SA ADR ADR 465562106 14,808 1,723,894 SH   SOLE 0 1,560,232 0 163,662
J.M. Smucker Co. COMMON 832696405 169,027 1,301,810 SH   SOLE 0 1,232,980 0 68,830
Janus Capital Group Inc. COMMON 47102X105 112,356 7,679,837 SH   SOLE 0 6,909,970 0 769,867
JLL COMMON 48020Q107 170,530 1,453,543 SH   SOLE 0 1,342,575 0 110,968
Johnson & Johnson COMMON 478160104 92,069 850,915 SH   SOLE 0 850,915 0 0
JPMorgan Chase & Co. COMMON 46625H100 4,634 78,251 SH   SOLE 0 78,251 0 0
Kennametal Inc. COMMON 489170100 244,936 10,890,898 SH   SOLE 0 10,211,793 0 679,105
Kindred Biosciences, Inc. COMMON 494577109 12,377 3,587,561 SH   SOLE 0 2,789,668 0 797,893
KKR & Co. L.P. COMMON 48248M102 151,296 10,299,277 SH   SOLE 0 10,217,482 0 81,795
Laboratory Corp. of America Holdings COMMON 50540R409 185,925 1,587,342 SH   SOLE 0 1,507,235 0 80,107
Landec Corp. COMMON 514766104 17,026 1,621,534 SH   SOLE 0 1,250,917 0 370,617
Lazard Ltd COMMON G54050102 251,497 6,481,882 SH   SOLE 0 6,082,945 0 398,937
Littelfuse, Inc. COMMON 537008104 89,951 730,656 SH   SOLE 0 678,501 0 52,155
Lockheed Martin Corp. COMMON 539830109 7,781 35,127 SH   SOLE 0 35,127 0 0
Lumber Liquidators Holdings, Inc. COMMON 55003T107 7,451 567,910 SH   SOLE 0 492,635 0 75,275
Manning & Napier, Inc. COMMON 56382Q102 13,279 1,645,425 SH   SOLE 0 1,416,860 0 228,565
Markit Ltd COMMON G58249106 5,425 153,479 SH   SOLE 0 128,672 0 24,807
Mattel, Inc. COMMON 577081102 148,583 4,419,470 SH   SOLE 0 4,191,880 0 227,590
Matthews Intl Corp. COMMON 577128101 15,371 298,641 SH   SOLE 0 260,041 0 38,600
MB Financial, Inc. COMMON 55264U108 4,193 129,200 SH   SOLE 0 129,200 0 0
McCormick & Co., Inc. COMMON 579780206 4,618 46,426 SH   SOLE 0 25,296 0 21,130
Meredith Corp. COMMON 589433101 108,429 2,282,721 SH   SOLE 0 2,074,173 0 208,548
Microsoft Corp. COMMON 594918104 136,737 2,475,772 SH   SOLE 0 2,475,772 0 0
Mitcham Industries, Inc. COMMON 606501104 9,105 2,975,414 SH   SOLE 0 2,366,621 0 608,793
Mohawk Industries, Inc. COMMON 608190104 73,132 383,089 SH   SOLE 0 354,677 0 28,412
Morgan Stanley COMMON 617446448 5,005 200,125 SH   SOLE 0 200,125 0 0
Mosaic Co. COMMON 61945C103 5,729 212,170 SH   SOLE 0 212,170 0 0
Movado Group Inc. COMMON 624580106 1,030 37,400 SH   SOLE 0 37,400 0 0
MSG Networks, Inc. COMMON 553573106 75,811 4,384,697 SH   SOLE 0 4,027,912 0 356,785
MTS Systems Corp. COMMON 553777103 97,553 1,603,170 SH   SOLE 0 1,454,891 0 148,279
National Oilwell Varco COMMON 637071101 55,166 1,773,823 SH   SOLE 0 1,735,238 0 38,585
Newell Rubbermaid Inc. COMMON 651229106 13,640 307,974 SH   SOLE 0 300,639 0 7,335
Nokia Corp. ADR ADR 654902204 68,416 11,576,295 SH   SOLE 0 11,576,295 0 0
Nordstrom, Inc. COMMON 655664100 64,963 1,135,525 SH   SOLE 0 1,081,128 0 54,397
Northern Trust Corp. COMMON 665859104 166,154 2,549,540 SH   SOLE 0 2,454,540 0 95,000
Novartis AG ADR ADR 66987V109 963 13,296 SH   SOLE 0 10,088 0 3,208
Occidental Petroleum Corp. COMMON 674599105 5,910 86,372 SH   SOLE 0 86,372 0 0
Omnicom Group Inc. COMMON 681919106 105,437 1,266,812 SH   SOLE 0 1,236,366 0 30,446
Oracle Corp. COMMON 68389X105 8,358 204,295 SH   SOLE 0 204,295 0 0
ORBCOMM, Inc. COMMON 68555P100 38,447 3,795,332 SH   SOLE 0 2,948,174 0 847,158
Orion Energy Systems, Inc. COMMON 686275108 7,086 5,098,041 SH   SOLE 0 3,915,814 0 1,182,227
PCTEL, Inc. COMMON 69325Q105 15,877 3,321,537 SH   SOLE 0 2,517,031 0 804,506
Pendrell Corp. COMMON 70686R104 17,007 32,089,441 SH   SOLE 0 24,953,434 0 7,136,007
Perceptron, Inc. COMMON 71361F100 8,268 1,704,661 SH   SOLE 0 1,122,149 0 582,512
Philip Morris Intl, Inc. COMMON 718172109 33,047 336,836 SH   SOLE 0 336,836 0 0
Pier 1 Imports, Inc. COMMON 720279108 3,673 524,005 SH   SOLE 0 524,005 0 0
Pioneer Natural Resources Co COMMON 723787107 1,439 10,225 SH   SOLE 0 10,225 0 0
Praxair, Inc. COMMON 74005P104 5,350 46,744 SH   SOLE 0 46,744 0 0
PrivateBancorp, Inc. COMMON 742962103 18,795 486,924 SH   SOLE 0 424,279 0 62,645
Progressive Corp. COMMON 743315103 53,209 1,514,200 SH   SOLE 0 1,476,235 0 37,965
QLogic Corp. COMMON 747277101 9,364 696,731 SH   SOLE 0 696,731 0 0
Quest Diagnostics Inc. COMMON 74834L100 53,380 747,094 SH   SOLE 0 747,094 0 0
Qumu Corp. COMMON 749063103 8,143 1,766,397 SH   SOLE 0 1,155,073 0 611,324
Real Industry Inc. COMMON 75601W104 3,036 348,916 SH   SOLE 0 348,916 0 0
RealNetworks, Inc. COMMON 75605L708 22,284 5,488,792 SH   SOLE 0 4,029,692 0 1,459,100
Rentech, Inc. COMMON 760112201 6,370 2,869,390 SH   SOLE 0 1,961,239 0 908,151
Richardson Electronics, Ltd. COMMON 763165107 5,462 1,058,515 SH   SOLE 0 694,015 0 364,500
Rockwell Collins, Inc. COMMON 774341101 8,352 90,574 SH   SOLE 0 90,574 0 0
Rosetta Stone Inc. COMMON 777780107 34,802 5,186,557 SH   SOLE 0 4,208,306 0 978,251
Royal Caribbean Cruises Ltd. COMMON V7780T103 79,992 973,732 SH   SOLE 0 890,941 0 82,791
Royal Dutch Shell plc ADR ADR 780259206 2,071 42,739 SH   SOLE 0 19,831 0 22,908
Rubicon Technology, Inc. COMMON 78112T107 3,227 4,420,918 SH   SOLE 0 3,068,836 0 1,352,082
Ruckus Wireless, Inc. COMMON 781220108 21,899 2,232,313 SH   SOLE 0 2,232,313 0 0
Ryanair Holdings plc ADR ADR 783513203 8,819 102,759 SH   SOLE 0 89,734 0 13,025
Santander Mexico Financial Group ADR ADR 40053C105 7,731 856,151 SH   SOLE 0 724,178 0 131,973
Schlumberger Ltd. COMMON 806857108 21,110 286,231 SH   SOLE 0 286,231 0 0
SeaChange Intl, Inc. COMMON 811699107 22,802 4,130,749 SH   SOLE 0 3,219,267 0 911,482
Simpson Manufacturing Co., Inc. COMMON 829073105 114,379 2,996,560 SH   SOLE 0 2,717,147 0 279,413
Skullcandy, Inc. COMMON 83083J104 7,794 2,189,248 SH   SOLE 0 1,836,428 0 352,820
Snap-On Inc. COMMON 833034101 106,891 680,878 SH   SOLE 0 642,766 0 38,112
Sotheby's COMMON 835898107 34,049 1,273,794 SH   SOLE 0 1,142,152 0 131,642
Southern Co. COMMON 842587107 83,567 1,615,455 SH   SOLE 0 1,615,455 0 0
Spartan Motors Inc. COMMON 846819100 16,818 4,257,619 SH   SOLE 0 3,230,383 0 1,027,236
St. Jude Medical, Inc. COMMON 790849103 101,786 1,850,653 SH   SOLE 0 1,807,943 0 42,710
Stanley Black & Decker, Inc. COMMON 854502101 121,812 1,157,803 SH   SOLE 0 1,130,415 0 27,388
Strattec Security Corp. COMMON 863111100 1,638 28,545 SH   SOLE 0 28,545 0 0
Superior Industries Intl, Inc. COMMON 868168105 6,333 286,800 SH   SOLE 0 286,800 0 0
T. Rowe Price Group, Inc. COMMON 74144T108 27,198 370,236 SH   SOLE 0 361,432 0 8,804
Team, Inc. COMMON 878155100 61,359 2,019,715 SH   SOLE 0 1,733,897 0 285,818
TEGNA, Inc. COMMON 87901J105 160,346 6,834,875 SH   SOLE 0 6,346,761 0 488,114
Telefonica Brasil SA ADR ADR 87936R106 351 28,101 SH   SOLE 0 8,093 0 20,008
Telenav Inc. COMMON 879455103 21,024 3,563,384 SH   SOLE 0 2,784,954 0 778,430
Tenaris ADR ADR 88031M109 3,342 134,980 SH   SOLE 0 124,047 0 10,933
The Madison Square Garden Co COMMON 55825T103 78,321 470,792 SH   SOLE 0 427,594 0 43,198
The PNC Financial Service Group, Inc. COMMON 693475105 2,745 32,462 SH   SOLE 0 32,462 0 0
Thermo Fisher Scientific Inc. COMMON 883556102 76,461 540,015 SH   SOLE 0 538,070 0 1,945
Tiffany & Co. COMMON 886547108 26,839 365,756 SH   SOLE 0 357,616 0 8,140
Toyota Motor Corp. ADR ADR 892331307 310 2,914 SH   SOLE 0 2,914 0 0
Tumi Holdings Inc. COMMON 89969Q104 52,234 1,947,559 SH   SOLE 0 1,947,559 0 0
U.S. Bancorp COMMON 902973304 19,821 488,313 SH   SOLE 0 488,313 0 0
U.S. Silica Holdings, Inc. COMMON 90346E103 88,283 3,885,700 SH   SOLE 0 3,659,805 0 225,895
Union Pacific COMMON 907818108 1,101 13,844 SH   SOLE 0 13,844 0 0
Vanguard FTSE Emerging Markets ETF ETF 922042858 1,173 33,916 SH   SOLE 0 9,788 0 24,128
Vanguard MSCI EAFE ETF ETF 921943858 18,058 503,286 SH   SOLE 0 503,286 0 0
Vanguard S&P 500 ETF ETF 922908363 22,324 118,393 SH   SOLE 0 118,393 0 0
Vanguard Total World Stock Index Fd (ETF) ETF 922042742 4,099 71,060 SH   SOLE 0 71,060 0 0
Verizon Communications Inc. COMMON 92343V104 83,263 1,539,628 SH   SOLE 0 1,539,628 0 0
Versar Inc. COMMON 925297103 4,281 1,769,054 SH   SOLE 0 1,162,279 0 606,775
Viacom, Inc. COMMON 92553P201 93,696 2,269,757 SH   SOLE 0 2,152,412 0 117,345
Vical Inc. COMMON 925602104 2,165 5,537,755 SH   SOLE 0 3,633,105 0 1,904,650
W.W. Grainger, Inc. COMMON 384802104 1,653 7,081 SH   SOLE 0 7,081 0 0
West Marine, Inc. COMMON 954235107 2,093 230,231 SH   SOLE 0 230,231 0 0
Western Union Co. COMMON 959802109 149,902 7,770,991 SH   SOLE 0 7,454,166 0 316,825
Willis Towers Watson plc COMMON G96629103 39,434 332,326 SH   SOLE 0 323,987 0 8,339
XO Group Inc. COMMON 983772104 22,449 1,398,700 SH   SOLE 0 1,080,351 0 318,349
Zebra Technologies Corp. COMMON 989207105 105,096 1,523,125 SH   SOLE 0 1,378,125 0 145,000
Zimmer Biomet Holdings, Inc. COMMON 98956P102 135,935 1,274,825 SH   SOLE 0 1,246,390 0 28,435