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
Estimated average burden
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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
ARC Document Solutions COM 00191G103 2,047 720,639 SH   SOLE   637,484 0 83,155
ASV Holdings LLC COM 00215L104 2,394 483,602 SH   SOLE   427,899 0 55,703
AXT Inc COM 00246W103 5,657 791,219 SH   SOLE   700,065 0 91,154
Acacia Research Corp COM 003881307 2,967 927,243 SH   SOLE   788,990 0 138,253
Actuant Corp Cls A COM 00508X203 1,106 39,630 SH   SOLE   29,100 0 10,530
Alcentra Capital Corp COM 01374T102 2,598 434,530 SH   SOLE   384,455 0 50,075
American River Bankshares COM 029326105 3,909 255,161 SH   SOLE   225,751 0 29,410
Amtech Systems COM 032332504 3,189 597,183 SH   SOLE   528,358 0 68,825
Asure Software COM 04649U102 6,254 503,519 SH   SOLE   432,424 0 71,095
Atlantic Capital Bank COM 048269203 2,505 149,581 SH   SOLE   132,342 0 17,239
Atlas Financial Holdings COM G06207115 2,490 247,791 SH   SOLE   219,258 0 28,533
BG Staffing COM 05544A109 6,258 230,069 SH   SOLE   203,571 0 26,498
Banc of California Inc COM 05990K106 1,402 74,200 SH   SOLE   54,480 0 19,720
Bank of Commerce Hlds COM 06424J103 3,958 324,459 SH   SOLE   287,044 0 37,415
Barrett Business Services Inc COM 068463108 7,429 111,243 SH   SOLE   94,306 0 16,937
BayCom Corp COM 07272M107 1,745 65,396 SH   SOLE   54,343 0 11,053
Big 5 Sporting Goods Corp COM 08915P101 2,621 513,848 SH   SOLE   430,333 0 83,515
Blucora Inc COM 095229100 780 19,380 SH   SOLE   14,230 0 5,150
Bridgepoint Education Inc COM 10807M105 4,261 419,436 SH   SOLE   350,383 0 69,053
Bridgewater Bancshares COM 108621103 1,746 134,070 SH   SOLE   98,440 0 35,630
Build A Bear Workshop COM 120076104 4,827 533,333 SH   SOLE   457,748 0 75,585
CAI International Inc COM 12477X106 5,689 248,749 SH   SOLE   211,066 0 37,683
CRH Medical COM 12626F105 7,281 1,843,220 SH   SOLE   1,556,542 0 286,678
Caleres Inc COM 129500104 1,942 54,150 SH   SOLE   39,760 0 14,390
Capital Bancorp COM 139737100 1,828 143,697 SH   SOLE   127,142 0 16,555
Care Trust REIT Inc COM 14174T107 1,025 57,883 SH   SOLE   42,503 0 15,380
Citi Trends Inc COM 17306X102 1,682 58,460 SH   SOLE   42,920 0 15,540
Cohu Inc COM 192576106 7,240 288,463 SH   SOLE   242,209 0 46,254
Columbus McKinnon Corp COM 199333105 4,205 106,355 SH   SOLE   88,068 0 18,287
Comfort Systems USA Inc COM 199908104 2,178 38,620 SH   SOLE   28,360 0 10,260
Comtech Telecommunications Cor COM 205826209 7,010 193,277 SH   SOLE   171,010 0 22,267
ConnectOne Bancorp COM 20786W107 1,807 76,090 SH   SOLE   55,870 0 20,220
Cra Intl Inc COM 12618T105 2,364 47,073 SH   SOLE   41,652 0 5,421
Customers Bancorp COM 23204G100 1,769 75,180 SH   SOLE   55,200 0 19,980
DMC Global Inc COM 23291C103 7,246 177,591 SH   SOLE   157,128 0 20,463
DXP Enterprises, Inc COM 233377407 1,195 29,830 SH   SOLE   21,900 0 7,930
Daktronics, Inc COM 234264109 926 118,160 SH   SOLE   86,760 0 31,400
EPlus Inc COM 294268107 639 6,890 SH   SOLE   5,060 0 1,830
Ennis Inc COM 293389102 1,554 75,970 SH   SOLE   55,780 0 20,190
Ensign Group Inc COM 29358P101 1,831 48,290 SH   SOLE   35,460 0 12,830
Esquire Financial Hld COM 29667J101 5,223 209,273 SH   SOLE   185,132 0 24,141
Essendant Inc COM 296689102 590 46,040 SH   SOLE   33,840 0 12,200
FS Bancorp COM 30263Y104 4,205 75,464 SH   SOLE   66,772 0 8,692
Farmers National Banc Corp COM 309627107 3,538 231,228 SH   SOLE   204,498 0 26,730
Federal Signal Corp COM 313855108 1,747 65,230 SH   SOLE   47,810 0 17,420
First Bancshares Inc COM 318916103 2,067 52,937 SH   SOLE   46,846 0 6,091
First Business Financial Servi COM 319390100 2,659 114,732 SH   SOLE   101,516 0 13,216
First Financial Corp COM 320218100 1,126 22,440 SH   SOLE   16,480 0 5,960
First Northwest COM 335834107 2,445 158,774 SH   SOLE   140,487 0 18,287
FormFactor COM 346375108 1,472 107,030 SH   SOLE   78,590 0 28,440
Francesca's Holdings Corp COM 351793104 254 68,430 SH   SOLE   50,250 0 18,180
FreightCar America Inc COM 357023100 2,775 172,709 SH   SOLE   152,810 0 19,899
Front Yard Residential REIT COM 35904G107 1,063 97,980 SH   SOLE   72,030 0 25,950
Global Medical REIT COM 37954A204 3,654 387,874 SH   SOLE   343,169 0 44,705
Great Ajax Corp COM 38983D300 4,222 310,205 SH   SOLE   259,342 0 50,863
Green Bancorp, Inc COM 39260X100 1,102 49,880 SH   SOLE   36,620 0 13,260
Greenight Capital Cl A COM G4095J109 610 49,180 SH   SOLE   36,110 0 13,070
Hallmark Financial Services In COM 40624Q203 1,488 135,230 SH   SOLE   99,290 0 35,940
Hanger Inc COM 41043F208 1,239 59,460 SH   SOLE   43,660 0 15,800
Heritage Insurance Hlds Inc COM 42727J102 5,521 372,524 SH   SOLE   312,809 0 59,715
Hibbett Sports Inc COM 428567101 580 30,830 SH   SOLE   22,640 0 8,190
Horizon Bancorp COM 440407104 4,294 217,424 SH   SOLE   192,397 0 25,027
Houston Wire & Cable Co COM 44244K109 1,650 214,240 SH   SOLE   157,200 0 57,040
Hurco Companies Inc COM 447324104 4,491 99,580 SH   SOLE   88,084 0 11,496
Ichor Holdings COM G4740B105 1,030 50,430 SH   SOLE   37,020 0 13,410
InnerWorkings COM 45773Y105 4,463 563,511 SH   SOLE   480,787 0 82,724
Insight Enterprises Inc COM 45765U103 2,218 41,010 SH   SOLE   30,110 0 10,900
Intevac Inc COM 461148108 1,104 212,310 SH   SOLE   155,890 0 56,420
Kirkland's Inc COM 497498105 776 76,910 SH   SOLE   56,470 0 20,440
LCNB Corp COM 50181P100 2,598 139,310 SH   SOLE   123,254 0 16,056
Landec Corp COM 514766104 3,773 261,988 SH   SOLE   221,412 0 40,576
Lifetime Brands Inc COM 53222Q103 4,466 409,751 SH   SOLE   347,981 0 61,770
MDC Partners Inc COM 552697104 1,171 282,150 SH   SOLE   207,170 0 74,980
MTS Systems Corp COM 553777103 693 12,660 SH   SOLE   9,300 0 3,360
MagicJack VocalTec Ltd COM M6787E101 5,736 686,979 SH   SOLE   607,757 0 79,222
Manitex International Inc COM 563420108 6,298 598,060 SH   SOLE   529,064 0 68,996
Marcus & Millichap Inc COM 566324109 1,600 46,100 SH   SOLE   33,860 0 12,240
Matrix Service Co COM 576853105 2,201 89,300 SH   SOLE   65,570 0 23,730
Meta Financial Group COM 59100U108 1,968 23,810 SH   SOLE   17,480 0 6,330
Metropolitan Bank Hld COM 591774104 3,962 96,348 SH   SOLE   80,611 0 15,737
MiMedx Group Inc COM 602496101 724 117,090 SH   SOLE   85,970 0 31,120
MidWestOne Financial Group COM 598511103 1,509 45,310 SH   SOLE   33,270 0 12,040
Midland States COM 597742105 5,695 177,428 SH   SOLE   149,428 0 28,000
MotorCar of America Inc COM 620071100 474 20,210 SH   SOLE   14,840 0 5,370
Multi-Color Corp COM 625383104 817 13,130 SH   SOLE   9,640 0 3,490
NN Inc COM 629337106 5,755 368,942 SH   SOLE   314,605 0 54,337
NV5 Global Inc COM 62945V109 3,879 44,744 SH   SOLE   37,269 0 7,475
Natural Gas Services Group Inc COM 63886Q109 3,596 170,410 SH   SOLE   150,771 0 19,639
Navigant Consulting COM 63935N107 769 33,340 SH   SOLE   24,480 0 8,860
Netgear Inc COM 64111Q104 833 13,260 SH   SOLE   9,740 0 3,520
Newpark Resources Inc COM 651718504 1,333 128,810 SH   SOLE   94,580 0 34,230
Northeast Bancorp COM 663904209 5,255 242,188 SH   SOLE   214,291 0 27,897
Northrim BanCorp Inc COM 666762109 3,060 73,639 SH   SOLE   65,156 0 8,483
Northwest Pipe COM 667746101 4,665 236,227 SH   SOLE   208,993 0 27,234
OP Bancorp COM 67109R109 2,701 232,878 SH   SOLE   206,047 0 26,831
Old Line Bancshares, Inc COM 67984M100 1,459 46,100 SH   SOLE   33,850 0 12,250
One Stop Systems COM 68247W109 1,840 494,642 SH   SOLE   437,635 0 57,007
Orrstown Financial Services COM 687380105 2,144 90,071 SH   SOLE   79,673 0 10,398
PAM Transportation Services, I COM 693149106 7,288 111,969 SH   SOLE   99,072 0 12,897
PC Connection COM 69318J100 4,331 111,368 SH   SOLE   92,934 0 18,434
PCM Inc COM 69323K100 7,588 388,123 SH   SOLE   343,398 0 44,725
PRA Group COM 69354N106 1,181 32,810 SH   SOLE   24,090 0 8,720
Pacific City Financial COM 69406T408 2,634 136,207 SH   SOLE   120,510 0 15,697
Parke Bancorp COM 700885106 2,165 96,421 SH   SOLE   85,318 0 11,103
Pennantpark Floating Rate Capi COM 70806A106 4,989 379,378 SH   SOLE   319,622 0 59,756
Photronics Inc COM 719405102 1,930 195,980 SH   SOLE   143,900 0 52,080
Premier Financial Bancorp COM 74050M105 4,591 248,310 SH   SOLE   219,684 0 28,626
ProFire Energy COM 74316X101 1,399 438,605 SH   SOLE   387,998 0 50,607
Quantum Corp COM 747906501 2,060 858,471 SH   SOLE   759,540 0 98,931
Resources Connection COM 76122Q105 1,145 68,970 SH   SOLE   50,640 0 18,330
Ribbon Communications Inc COM 762544104 1,472 215,530 SH   SOLE   158,250 0 57,280
Riverview Bancorp COM 769397100 2,354 266,272 SH   SOLE   235,589 0 30,683
Rudolph Technologies Inc COM 781270103 1,084 44,320 SH   SOLE   32,540 0 11,780
SP Plus Corp COM 78469C103 1,454 39,830 SH   SOLE   29,240 0 10,590
Silvercrest Asset Mgmnt Grp Cl COM 828359109 3,487 251,794 SH   SOLE   222,737 0 29,057
Spartan Motors Inc COM 846819100 5,848 396,486 SH   SOLE   335,602 0 60,884
Standard Motor COM 853666105 1,424 28,930 SH   SOLE   21,240 0 7,690
Sterling Bancorp COM 85917W102 755 66,790 SH   SOLE   49,040 0 17,750
Sterling Construction Co Inc COM 859241101 4,077 284,682 SH   SOLE   237,499 0 47,183
Summit Financial Grp COM 86606G101 3,400 146,483 SH   SOLE   129,607 0 16,876
Super Micro Computer, Inc COM 86800U104 1,900 92,170 SH   SOLE   67,710 0 24,460
Sykes Enterprises COM 871237103 1,392 45,650 SH   SOLE   33,520 0 12,130
Textainer Group Holdings COM G8766E109 1,641 128,210 SH   SOLE   94,140 0 34,070
Third Point Reinsurrance Ltd COM G8827U100 1,319 101,450 SH   SOLE   74,490 0 26,960
Triumph Bancorp COM 89679E300 1,561 40,860 SH   SOLE   30,000 0 10,860
TrueBlue Inc COM 89785X101 1,157 44,410 SH   SOLE   32,610 0 11,800
Twin Disc Inc COM 901476101 6,679 289,898 SH   SOLE   247,688 0 42,210
Ultra Clean Holdings COM 90385V107 7,548 601,402 SH   SOLE   510,962 0 90,440
Unique Fabricating COM 90915J103 3,852 475,496 SH   SOLE   420,682 0 54,814
Univest Corp of Pennsylvania COM 915271100 1,023 38,670 SH   SOLE   28,390 0 10,280
Wabash National Corp COM 929566107 1,517 83,190 SH   SOLE   61,080 0 22,110
Web.com Group, Inc COM 94733A104 1,928 69,110 SH   SOLE   50,710 0 18,400
West Bancorporation COM 95123P106 4,788 203,761 SH   SOLE   172,383 0 31,378
ZAGG Inc COM 98884U108 6,140 416,273 SH   SOLE   368,310 0 47,963