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 16,053 3,648,477 SH   SOLE 0 3,648,477 0 0
Accenture plc COMMON G1151C101 1,085 9,576 SH   SOLE 0 9,576 0 0
AFLAC Inc. COMMON 001055102 132,543 1,836,789 SH   SOLE 0 1,791,769 0 45,020
American Electric Technologies, Inc. COMMON 025576109 4,051 1,528,639 SH   SOLE 0 971,347 0 557,292
American Express Co. COMMON 025816109 49,851 820,453 SH   SOLE 0 820,453 0 0
Anixter Intl Inc. COMMON 035290105 154,820 2,905,773 SH   SOLE 0 2,715,708 0 190,065
Ansys, Inc. COMMON 03662Q105 16,560 182,479 SH   SOLE 0 182,479 0 0
Apache Corp. COMMON 037411105 4,288 77,018 SH   SOLE 0 77,018 0 0
ArcBest Corp COMMON 03937C105 1,835 112,900 SH   SOLE 0 112,900 0 0
AstroNova, Inc. COMMON 04638F108 13,427 882,174 SH   SOLE 0 564,299 0 317,875
AXT Inc. COMMON 00246W103 7,785 2,440,564 SH   SOLE 0 1,554,565 0 885,999
Baidu, Inc. ADR ADR 056752108 153,298 928,237 SH   SOLE 0 883,949 0 44,288
Ballantyne Strong, Inc. COMMON 058516105 9,396 1,796,542 SH   SOLE 0 1,141,127 0 655,415
Banco Santander-Chile ADR ADR 05965X109 21,916 1,131,420 SH   SOLE 0 1,027,501 0 103,919
Bank of New York Mellon Corp. COMMON 064058100 4,389 112,970 SH   SOLE 0 112,970 0 0
Barrick Gold Corp. COMMON 067901108 6,375 298,590 SH   SOLE 0 298,590 0 0
Bed Bath & Beyond Inc. COMMON 075896100 4,203 97,240 SH   SOLE 0 97,240 0 0
Berkshire Hathaway Inc. COMMON 084670702 23,972 165,562 SH   SOLE 0 165,562 0 0
Bio-Rad Laboratories, Inc. COMMON 090572207 140,281 980,851 SH   SOLE 0 905,617 0 75,234
Blackstone Group L.P. COMMON 09253U108 36,387 1,482,772 SH   SOLE 0 1,445,397 0 37,375
BOK Financial Corp. COMMON 05561Q201 414 6,600 SH   SOLE 0 5,100 0 1,500
BorgWarner Inc. COMMON 099724106 39,165 1,326,716 SH   SOLE 0 1,297,957 0 28,759
Brady Corp. COMMON 104674106 127,754 4,180,434 SH   SOLE 0 3,763,979 0 416,455
Brink's Co. COMMON 109696104 33,669 1,181,800 SH   SOLE 0 1,018,895 0 162,905
Bristow Group Inc. COMMON 110394103 108,538 9,512,567 SH   SOLE 0 8,848,587 0 663,980
British American Tobacco plc ADR ADR 110448107 12,530 96,775 SH   SOLE 0 89,064 0 7,711
Brooks Automation, Inc. COMMON 114340102 8,085 720,600 SH   SOLE 0 720,600 0 0
Canon Inc. ADR ADR 138006309 505 17,654 SH   SOLE 0 17,654 0 0
Capital Southwest Corp. COMMON 140501107 8,261 604,281 SH   SOLE 0 496,081 0 108,200
CBRE Group, Inc. COMMON 12504L109 86,587 3,269,893 SH   SOLE 0 3,052,304 0 217,589
CBS Corp. COMMON 124857202 68,296 1,254,511 SH   SOLE 0 1,223,864 0 30,647
CEB Inc. COMMON 125134106 26,387 427,804 SH   SOLE 0 367,679 0 60,125
Century Casinos, Inc. COMMON 156492100 22,060 3,540,858 SH   SOLE 0 2,717,599 0 823,259
Charles River Laboratories Intl, Inc. COMMON 159864107 120,703 1,464,130 SH   SOLE 0 1,299,701 0 164,429
China Mobile Ltd. ADR ADR 16941M109 42,916 741,201 SH   SOLE 0 741,201 0 0
Coach, Inc. COMMON 189754104 7,535 184,960 SH   SOLE 0 184,960 0 0
Contango Oil & Gas Co. COMMON 21075N204 48,550 3,966,531 SH   SOLE 0 3,463,325 0 503,206
Core Laboratories N.V. COMMON N22717107 30,970 249,977 SH   SOLE 0 249,977 0 0
Costco Wholesale Corp. COMMON 22160K105 5,963 37,970 SH   SOLE 0 37,970 0 0
Cowen Group, Inc. COMMON 223622101 33,788 11,414,740 SH   SOLE 0 8,816,639 0 2,598,101
CPI Aerostructures, Inc. COMMON 125919308 9,034 1,468,866 SH   SOLE 0 939,690 0 529,176
CRA International, Inc. COMMON 12618T105 3,821 151,500 SH   SOLE 0 151,500 0 0
Crown Crafts, Inc. COMMON 228309100 5,434 574,455 SH   SOLE 0 367,444 0 207,011
Cullen/Frost Bankers, Inc. COMMON 229899109 1,966 30,850 SH   SOLE 0 30,850 0 0
Cumberland Pharmaceuticals, Inc. COMMON 230770109 8,967 1,992,613 SH   SOLE 0 1,277,581 0 715,032
DeVry Education Group Inc. COMMON 251893103 47,891 2,684,472 SH   SOLE 0 2,650,457 0 34,015
Diageo plc ADR ADR 25243Q205 306 2,711 SH   SOLE 0 2,711 0 0
Digi International Inc. COMMON 253798102 2,782 259,238 SH   SOLE 0 259,238 0 0
Discover Financial Services COMMON 254709108 514 9,598 SH   SOLE 0 9,598 0 0
Dover Motorsports, Inc. COMMON 260174107 6,452 2,973,354 SH   SOLE 0 1,901,578 0 1,071,776
Dun & Bradstreet Corp. COMMON 26483E100 104,530 857,930 SH   SOLE 0 785,373 0 72,557
Edgewater Technology Inc. COMMON 280358102 15,396 1,781,915 SH   SOLE 0 1,141,837 0 640,078
Electro Scientific Industries, Inc. COMMON 285229100 1,146 196,247 SH   SOLE 0 196,247 0 0
EMC Corp. COMMON 268648102 2,199 80,919 SH   SOLE 0 80,919 0 0
EMCORE CORPORATION COMMON 290846203 4,773 803,580 SH   SOLE 0 513,780 0 289,800
EOG Resources Inc. COMMON 26875P101 21,161 253,674 SH   SOLE 0 253,674 0 0
Erickson Inc. COMMON 29482P100 818 1,341,795 SH   SOLE 0 855,826 0 485,969
Exxon Mobil Corp. COMMON 30231G102 6,254 66,717 SH   SOLE 0 66,717 0 0
Fair Isaac Corp. COMMON 303250104 48,943 433,087 SH   SOLE 0 380,060 0 53,027
Fastenal Co. COMMON 311900104 1,903 42,869 SH   SOLE 0 42,869 0 0
First American Financial Corp. COMMON 31847R102 227,920 5,666,824 SH   SOLE 0 5,313,646 0 353,178
Franklin Resources, Inc. COMMON 354613101 62,984 1,887,442 SH   SOLE 0 1,846,845 0 40,597
Gaia, Inc. COMMON 36268Q103 11,789 1,523,127 SH   SOLE 0 1,523,127 0 0
Gannett Co. Inc. COMMON 36473H104 7,466 540,628 SH   SOLE 0 463,886 0 76,742
Gilead Sciences, Inc. COMMON 375558103 120,401 1,443,305 SH   SOLE 0 1,443,305 0 0
GlaxoSmithKline plc ADR ADR 37733W105 69,678 1,607,697 SH   SOLE 0 1,475,642 0 132,055
GLU MOBILE INC. COMMON 379890106 2,723 1,237,500 SH   SOLE 0 1,237,500 0 0
Goldman Sachs Group, Inc. COMMON 38141G104 5,023 33,810 SH   SOLE 0 33,810 0 0
Graham Holdings Co. COMMON 384637104 11,883 24,274 SH   SOLE 0 22,577 0 1,697
Gulf Island Fabrication, Inc. COMMON 402307102 4,854 699,400 SH   SOLE 0 699,400 0 0
Hanger, Inc. COMMON 41043F208 1,686 226,895 SH   SOLE 0 226,895 0 0
Hardinge Inc. COMMON 412324303 5,041 501,059 SH   SOLE 0 319,579 0 181,480
Harman Intl Industries, Inc. COMMON 413086109 90,283 1,257,068 SH   SOLE 0 1,257,068 0 0
Harris & Harris Group, Inc. COMMON 413833104 6,744 4,189,075 SH   SOLE 0 2,678,454 0 1,510,621
Horace Mann Educators Corp. COMMON 440327104 13,132 388,649 SH   SOLE 0 331,669 0 56,980
Houlihan Lokey, Inc. COMMON 441593100 22,733 1,016,245 SH   SOLE 0 986,287 0 29,958
HSBC Holdings plc ADR ADR 404280406 399 12,750 SH   SOLE 0 12,750 0 0
IDEX Corp. COMMON 45167R104 22,099 269,174 SH   SOLE 0 220,761 0 48,413
Illinois Tool Works Inc. COMMON 452308109 94,390 906,206 SH   SOLE 0 884,363 0 21,843
Imation Corp. COMMON 45245A107 9,681 7,744,809 SH   SOLE 0 5,852,981 0 1,891,828
IntercontinentalExchange, Inc. COMMON 45866F104 1,084 4,235 SH   SOLE 0 4,235 0 0
Interface, Inc. COMMON 458665304 12,779 837,938 SH   SOLE 0 711,308 0 126,630
International Business Machines Corp. COMMON 459200101 8,395 55,310 SH   SOLE 0 55,310 0 0
International Speedway Corp. COMMON 460335201 131,232 3,923,230 SH   SOLE 0 3,597,758 0 325,472
Interpublic Group of Cos., Inc. COMMON 460690100 182,349 7,893,877 SH   SOLE 0 7,447,659 0 446,218
ISHARES MSCI ACWI EX US ETF ETF 464288240 1,448 37,170 SH   SOLE 0 37,170 0 0
iShares MSCI Switzerland Capped ETF ETF 464286749 1,555 52,452 SH   SOLE 0 52,452 0 0
iShares MSCI United Kingdom Index ETF ETF 46434V548 2,447 159,220 SH   SOLE 0 125,718 0 33,502
iShares Russell Microcap Index (ETF) ETF 464288869 234 3,313 SH   SOLE 0 3,313 0 0
Itau Unibanco Holding SA ADR ADR 465562106 6,803 720,676 SH   SOLE 0 630,214 0 90,462
J.M. Smucker Co. COMMON 832696405 177,965 1,167,672 SH   SOLE 0 1,107,987 0 59,685
Janus Capital Group Inc. COMMON 47102X105 104,386 7,498,973 SH   SOLE 0 6,729,106 0 769,867
JLL COMMON 48020Q107 142,758 1,464,933 SH   SOLE 0 1,347,593 0 117,340
Johnson & Johnson COMMON 478160104 104,022 857,563 SH   SOLE 0 857,563 0 0
JPMorgan Chase & Co. COMMON 46625H100 5,088 81,873 SH   SOLE 0 81,873 0 0
Kennametal Inc. COMMON 489170100 229,740 10,390,755 SH   SOLE 0 9,696,180 0 694,575
Kindred Biosciences, Inc. COMMON 494577109 13,082 3,695,576 SH   SOLE 0 2,839,983 0 855,593
KKR & Co. L.P. COMMON 48248M102 131,632 10,667,131 SH   SOLE 0 10,585,561 0 81,570
Laboratory Corp. of America Holdings COMMON 50540R409 197,349 1,514,925 SH   SOLE 0 1,437,779 0 77,146
Landec Corp. COMMON 514766104 17,117 1,590,824 SH   SOLE 0 1,220,207 0 370,617
Lazard Ltd COMMON G54050102 194,747 6,539,522 SH   SOLE 0 6,122,639 0 416,883
Littelfuse, Inc. COMMON 537008104 76,946 651,033 SH   SOLE 0 602,903 0 48,130
Lockheed Martin Corp. COMMON 539830109 8,293 33,417 SH   SOLE 0 33,417 0 0
Lumber Liquidators Holdings, Inc. COMMON 55003T107 7,982 517,635 SH   SOLE 0 442,360 0 75,275
Manning & Napier, Inc. COMMON 56382Q102 14,226 1,497,505 SH   SOLE 0 1,268,940 0 228,565
Markit LTD SHS G58249106 946 29,022 SH   SOLE 0 25,444 0 3,578
Mattel, Inc. COMMON 577081102 125,510 4,011,191 SH   SOLE 0 3,788,576 0 222,615
Matthews Intl Corp. COMMON 577128101 15,138 272,076 SH   SOLE 0 233,476 0 38,600
MB Financial, Inc. COMMON 55264U108 3,650 100,600 SH   SOLE 0 100,600 0 0
McCormick & Co., Inc. COMMON 579780206 4,416 41,395 SH   SOLE 0 24,965 0 16,430
Meredith Corp. COMMON 589433101 115,765 2,230,110 SH   SOLE 0 2,021,562 0 208,548
Microsoft Corp. COMMON 594918104 129,121 2,523,380 SH   SOLE 0 2,523,380 0 0
Mitcham Industries, Inc. COMMON 606501104 11,274 3,006,299 SH   SOLE 0 2,397,506 0 608,793
Mohawk Industries, Inc. COMMON 608190104 60,684 319,793 SH   SOLE 0 292,881 0 26,912
Morgan Stanley COMMON 617446448 6,387 245,842 SH   SOLE 0 245,842 0 0
Mosaic Co. COMMON 61945C103 5,555 212,170 SH   SOLE 0 212,170 0 0
Movado Group Inc. COMMON 624580106 2,365 109,100 SH   SOLE 0 109,100 0 0
MSG Networks, Inc. COMMON 553573106 91,716 5,978,906 SH   SOLE 0 5,537,473 0 441,433
MTS Systems Corp. COMMON 553777103 71,352 1,627,547 SH   SOLE 0 1,473,043 0 154,504
National Oilwell Varco COMMON 637071101 59,776 1,776,400 SH   SOLE 0 1,737,920 0 38,480
Nokia Corp. ADR ADR 654902204 96,795 17,011,488 SH   SOLE 0 17,011,488 0 0
Nordstrom, Inc. COMMON 655664100 47,090 1,237,572 SH   SOLE 0 1,179,235 0 58,337
Northern Trust Corp. COMMON 665859104 168,423 2,541,852 SH   SOLE 0 2,446,067 0 95,785
Novartis AG ADR ADR 66987V109 1,223 14,818 SH   SOLE 0 11,610 0 3,208
Occidental Petroleum Corp. COMMON 674599105 6,632 87,776 SH   SOLE 0 87,776 0 0
Omnicom Group Inc. COMMON 681919106 102,554 1,258,486 SH   SOLE 0 1,228,125 0 30,361
Oracle Corp. COMMON 68389X105 8,362 204,295 SH   SOLE 0 204,295 0 0
ORBCOMM, Inc. COMMON 68555P100 32,270 3,243,192 SH   SOLE 0 2,508,034 0 735,158
Orion Energy Systems, Inc. COMMON 686275108 5,801 5,001,084 SH   SOLE 0 3,809,557 0 1,191,527
PCTEL, Inc. COMMON 69325Q105 15,269 3,241,813 SH   SOLE 0 2,434,407 0 807,406
Pendrell Corp. COMMON 70686R104 16,037 31,788,586 SH   SOLE 0 24,571,502 0 7,217,084
Perceptron, Inc. COMMON 71361F100 7,620 1,628,189 SH   SOLE 0 1,045,677 0 582,512
Philip Morris Intl, Inc. COMMON 718172109 35,478 348,783 SH   SOLE 0 348,783 0 0
Pier 1 Imports, Inc. COMMON 720279108 2,693 524,005 SH   SOLE 0 524,005 0 0
Pioneer Natural Resources Co COMMON 723787107 1,546 10,225 SH   SOLE 0 10,225 0 0
Praxair, Inc. COMMON 74005P104 5,314 47,283 SH   SOLE 0 47,283 0 0
PrivateBancorp, Inc. COMMON 742962103 25,481 578,722 SH   SOLE 0 511,077 0 67,645
Progressive Corp. COMMON 743315103 59,302 1,770,198 SH   SOLE 0 1,725,914 0 44,284
QLogic Corp. COMMON 747277101 8,048 545,995 SH   SOLE 0 545,995 0 0
Quest Diagnostics Inc. COMMON 74834L100 37,004 454,535 SH   SOLE 0 454,535 0 0
Qumu Corp. COMMON 749063103 7,979 1,797,020 SH   SOLE 0 1,146,696 0 650,324
Real Industry Inc. COMMON 75601W104 3,977 511,799 SH   SOLE 0 511,799 0 0
RealNetworks, Inc. COMMON 75605L708 29,682 6,886,815 SH   SOLE 0 5,339,215 0 1,547,600
Rentech, Inc. COMMON 760112201 6,019 2,507,794 SH   SOLE 0 1,597,018 0 910,776
Richardson Electronics, Ltd. COMMON 763165107 5,344 1,013,990 SH   SOLE 0 646,990 0 367,000
Rockwell Collins, Inc. COMMON 774341101 25,956 304,862 SH   SOLE 0 304,862 0 0
Rosetta Stone Inc. COMMON 777780107 40,767 5,260,321 SH   SOLE 0 4,195,721 0 1,064,600
Royal Caribbean Cruises Ltd. COMMON V7780T103 70,427 1,048,798 SH   SOLE 0 961,816 0 86,982
Rubicon Technology, Inc. COMMON 78112T107 2,553 3,754,180 SH   SOLE 0 2,402,098 0 1,352,082
Ryanair Holdings plc ADR ADR 783513203 5,753 82,728 SH   SOLE 0 71,825 0 10,903
Santander Mexico Financial Group ADR ADR 40053C105 4,389 482,835 SH   SOLE 0 412,704 0 70,131
Schlumberger Ltd. COMMON 806857108 22,759 287,802 SH   SOLE 0 287,802 0 0
SeaChange Intl, Inc. COMMON 811699107 13,078 4,099,664 SH   SOLE 0 3,171,642 0 928,022
Simpson Manufacturing Co., Inc. COMMON 829073105 105,511 2,639,761 SH   SOLE 0 2,375,498 0 264,263
Skullcandy, Inc. COMMON 83083J104 11,440 1,863,205 SH   SOLE 0 1,439,696 0 423,509
Snap-On Inc. COMMON 833034101 107,073 678,453 SH   SOLE 0 640,366 0 38,087
Sotheby's COMMON 835898107 33,748 1,231,663 SH   SOLE 0 1,112,321 0 119,342
Southern Co. COMMON 842587107 54,916 1,023,977 SH   SOLE 0 1,023,977 0 0
Spartan Motors Inc. COMMON 846819100 14,320 2,287,584 SH   SOLE 0 1,735,048 0 552,536
St. Jude Medical, Inc. COMMON 790849103 74,867 959,830 SH   SOLE 0 938,786 0 21,044
Stanley Black & Decker, Inc. COMMON 854502101 117,481 1,056,291 SH   SOLE 0 1,033,090 0 23,201
Strattec Security Corp. COMMON 863111100 2,218 54,397 SH   SOLE 0 54,397 0 0
Superior Industries Intl, Inc. COMMON 868168105 4,970 185,600 SH   SOLE 0 185,600 0 0
T. Rowe Price Group, Inc. COMMON 74144T108 26,845 367,885 SH   SOLE 0 359,106 0 8,779
Team, Inc. COMMON 878155100 47,020 1,893,696 SH   SOLE 0 1,606,435 0 287,261
TEGNA, Inc. COMMON 87901J105 146,760 6,334,056 SH   SOLE 0 5,854,932 0 479,124
Telenav Inc. COMMON 879455103 19,397 3,803,353 SH   SOLE 0 2,935,853 0 867,500
Tenaris ADR ADR 88031M109 9,164 317,764 SH   SOLE 0 294,317 0 23,447
The Madison Square Garden Co COMMON 55825T103 84,602 490,416 SH   SOLE 0 447,066 0 43,350
The PNC Financial Service Group, Inc. COMMON 693475105 2,722 33,445 SH   SOLE 0 33,445 0 0
Thermo Fisher Scientific Inc. COMMON 883556102 79,280 536,549 SH   SOLE 0 534,639 0 1,910
Tiffany & Co. COMMON 886547108 31,349 516,976 SH   SOLE 0 504,250 0 12,726
Toyota Motor Corp. ADR ADR 892331307 2,094 20,941 SH   SOLE 0 20,941 0 0
Tumi Holdings Inc. COMMON 89969Q104 52,728 1,971,878 SH   SOLE 0 1,971,878 0 0
U.S. Bancorp COMMON 902973304 20,152 499,677 SH   SOLE 0 499,677 0 0
U.S. Silica Holdings, Inc. COMMON 90346E103 89,403 2,593,654 SH   SOLE 0 2,410,182 0 183,472
Union Pacific COMMON 907818108 1,227 14,068 SH   SOLE 0 14,068 0 0
Vanguard MSCI EAFE ETF ETF 921943858 19,722 557,757 SH   SOLE 0 557,757 0 0
Vanguard S&P 500 ETF ETF 922908363 12,661 65,876 SH   SOLE 0 65,876 0 0
Vanguard Total World Stock Index Fd (ETF) ETF 922042742 14,040 241,772 SH   SOLE 0 241,772 0 0
Varian Medical Systems Inc. COMMON 92220P105 1,930 23,467 SH   SOLE 0 23,467 0 0
Verizon Communications Inc. COMMON 92343V104 65,272 1,168,913 SH   SOLE 0 1,168,913 0 0
Versar Inc. COMMON 925297103 1,937 1,793,489 SH   SOLE 0 1,138,794 0 654,695
Viacom, Inc. COMMON 92553P201 126,730 3,055,954 SH   SOLE 0 2,892,459 0 163,495
VICAL INC. COMMON 925602203 2,396 528,991 SH   SOLE 0 338,526 0 190,465
W.W. Grainger, Inc. COMMON 384802104 1,660 7,303 SH   SOLE 0 7,303 0 0
West Marine, Inc. COMMON 954235107 2,598 309,631 SH   SOLE 0 309,631 0 0
Western Union Co. COMMON 959802109 134,065 6,989,817 SH   SOLE 0 6,695,612 0 294,205
Willis Towers Watson plc COMMON G96629103 43,474 349,721 SH   SOLE 0 340,904 0 8,817
XO Group Inc. COMMON 983772104 22,525 1,292,321 SH   SOLE 0 993,750 0 298,571
Zebra Technologies Corp. COMMON 989207105 110,290 2,201,394 SH   SOLE 0 1,990,494 0 210,900
Zimmer Biomet Holdings, Inc. COMMON 98956P102 146,983 1,220,988 SH   SOLE 0 1,192,628 0 28,360