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
hours per response: 23.8
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 1,503 733,086 SH   SOLE   649,996 0 83,090
ASV Holdings LLC COM 00215L104 978 488,847 SH   SOLE   433,561 0 55,286
AXT Inc COM 00246W103 4,301 988,784 SH   SOLE   876,534 0 112,250
Acacia Research Corp COM 003881307 2,774 930,773 SH   SOLE   793,143 0 137,630
Actuant Corp Cls A COM 00508X203 804 38,310 SH   SOLE   27,780 0 10,530
Alcentra Capital Corp COM 01374T102 2,841 439,158 SH   SOLE   389,458 0 49,700
American River Bankshares COM 029326105 3,816 273,528 SH   SOLE   242,508 0 31,020
Amtech Systems COM 032332504 2,734 603,602 SH   SOLE   535,292 0 68,310
Arlo Technologies COM 04206A101 253 25,368 SH   SOLE   18,397 0 6,971
Asure Software COM 04649U102 2,727 536,825 SH   SOLE   461,025 0 75,800
Atlantic Capital Bank COM 048269203 2,485 151,813 SH   SOLE   134,603 0 17,210
Atlas Financial Holdings COM G06207115 2,230 275,669 SH   SOLE   244,439 0 31,230
BG Staffing COM 05544A109 4,795 232,197 SH   SOLE   205,897 0 26,300
Banc of California Inc COM 05990K106 1,123 84,350 SH   SOLE   61,170 0 23,180
Bank of Commerce Hlds COM 06424J103 4,103 374,320 SH   SOLE   331,905 0 42,415
Barrett Business Services Inc COM 068463108 6,363 111,149 SH   SOLE   94,289 0 16,860
BayCom Corp COM 07272M107 2,099 90,925 SH   SOLE   75,579 0 15,346
Big 5 Sporting Goods Corp COM 08915P101 1,327 512,465 SH   SOLE   429,255 0 83,210
Blucora Inc COM 095229100 500 18,750 SH   SOLE   13,600 0 5,150
Bridgepoint Education Inc COM 10807M105 4,242 605,157 SH   SOLE   506,457 0 98,700
Bridgewater Bancshares COM 108621103 1,368 129,670 SH   SOLE   94,040 0 35,630
Build A Bear Workshop COM 120076104 2,111 534,342 SH   SOLE   459,142 0 75,200
CAI International Inc COM 12477X106 5,775 248,606 SH   SOLE   211,086 0 37,520
CRH Medical COM 12626F105 5,610 1,839,473 SH   SOLE   1,554,053 0 285,420
Caleres Inc COM 129500104 1,457 52,340 SH   SOLE   37,950 0 14,390
Capital Bancorp COM 139737100 1,655 145,043 SH   SOLE   128,613 0 16,430
Care Trust REIT Inc COM 14174T107 1,033 55,963 SH   SOLE   40,583 0 15,380
Citi Trends Inc COM 17306X102 1,153 56,530 SH   SOLE   40,990 0 15,540
Cohu Inc COM 192576106 4,630 288,113 SH   SOLE   241,993 0 46,120
Columbus McKinnon Corp COM 199333105 3,185 105,682 SH   SOLE   87,452 0 18,230
Comfort Systems USA Inc COM 199908104 1,306 29,910 SH   SOLE   21,690 0 8,220
Comtech Telecommunications Cor COM 205826209 4,751 195,206 SH   SOLE   173,106 0 22,100
ConnectOne Bancorp COM 20786W107 1,359 73,570 SH   SOLE   53,350 0 20,220
Cra Intl Inc COM 12618T105 2,024 47,562 SH   SOLE   42,182 0 5,380
Customers Bancorp COM 23204G100 1,468 80,680 SH   SOLE   58,510 0 22,170
DMC Global Inc COM 23291C103 6,299 179,348 SH   SOLE   159,038 0 20,310
DXP Enterprises, Inc COM 233377407 803 28,850 SH   SOLE   20,920 0 7,930
Daktronics, Inc COM 234264109 845 114,240 SH   SOLE   82,840 0 31,400
EPlus Inc COM 294268107 473 6,650 SH   SOLE   4,820 0 1,830
Ennis Inc COM 293389102 1,414 73,450 SH   SOLE   53,260 0 20,190
Ensign Group Inc COM 29358P101 1,393 35,920 SH   SOLE   26,050 0 9,870
Esquire Financial Hld COM 29667J101 4,595 211,747 SH   SOLE   187,787 0 23,960
FS Bancorp COM 30263Y104 3,477 81,097 SH   SOLE   71,907 0 9,190
Farmers National Banc Corp COM 309627107 2,987 234,433 SH   SOLE   207,903 0 26,530
Federal Signal Corp COM 313855108 1,259 63,260 SH   SOLE   45,840 0 17,420
First Bancshares Inc COM 318916103 1,616 53,437 SH   SOLE   47,387 0 6,050
First Business Financial Servi COM 319390100 2,503 128,304 SH   SOLE   113,764 0 14,540
First Financial Corp COM 320218100 871 21,690 SH   SOLE   15,730 0 5,960
First Northwest COM 335834107 2,377 160,263 SH   SOLE   142,113 0 18,150
FormFactor COM 346375108 1,458 103,480 SH   SOLE   75,040 0 28,440
FreightCar America Inc COM 357023100 1,167 174,442 SH   SOLE   154,692 0 19,750
Front Yard Residential REIT COM 35904G107 824 94,410 SH   SOLE   68,460 0 25,950
Global Medical REIT COM 37954A204 3,497 393,347 SH   SOLE   348,767 0 44,580
Great Ajax Corp COM 38983D300 3,721 308,816 SH   SOLE   258,136 0 50,680
Green Bancorp, Inc COM 39260X100 827 48,230 SH   SOLE   34,970 0 13,260
Greenight Capital Cl A COM G4095J109 410 47,550 SH   SOLE   34,480 0 13,070
Hallmark Financial Services In COM 40624Q203 1,398 130,750 SH   SOLE   94,810 0 35,940
Hanger Inc COM 41043F208 1,089 57,480 SH   SOLE   41,680 0 15,800
Heritage Insurance Hlds Inc COM 42727J102 5,468 371,436 SH   SOLE   311,946 0 59,490
Hibbett Sports Inc COM 428567101 426 29,800 SH   SOLE   21,610 0 8,190
Horizon Bancorp COM 440407104 3,466 219,672 SH   SOLE   194,832 0 24,840
Houston Wire & Cable Co COM 44244K109 1,049 207,360 SH   SOLE   150,320 0 57,040
Hurco Companies Inc COM 447324104 3,611 101,154 SH   SOLE   89,684 0 11,470
Ichor Holdings COM G4740B105 795 48,800 SH   SOLE   35,390 0 13,410
InnerWorkings COM 45773Y105 2,115 565,531 SH   SOLE   482,951 0 82,580
Insight Enterprises Inc COM 45765U103 1,616 39,650 SH   SOLE   28,750 0 10,900
Intevac Inc COM 461148108 1,074 205,270 SH   SOLE   148,850 0 56,420
Kirkland's Inc COM 497498105 709 74,360 SH   SOLE   53,920 0 20,440
LCI Industries COM 50189K103 758 11,350 SH   SOLE   8,230 0 3,120
LCNB Corp COM 50181P100 2,130 140,619 SH   SOLE   124,679 0 15,940
Landec Corp COM 514766104 3,099 261,738 SH   SOLE   221,328 0 40,410
Lifetime Brands Inc COM 53222Q103 4,110 409,723 SH   SOLE   348,223 0 61,500
MDC Partners Inc COM 552697104 712 272,790 SH   SOLE   197,810 0 74,980
MTS Systems Corp COM 553777103 491 12,230 SH   SOLE   8,870 0 3,360
MagicJack VocalTec Ltd COM M6787E101 5,948 682,851 SH   SOLE   604,221 0 78,630
Manitex International Inc COM 563420108 3,438 605,239 SH   SOLE   536,649 0 68,590
Marcus & Millichap Inc COM 566324109 1,529 44,530 SH   SOLE   32,290 0 12,240
Matrix Service Co COM 576853105 1,232 68,690 SH   SOLE   49,810 0 18,880
Meta Financial Group COM 59100U108 1,340 69,120 SH   SOLE   50,130 0 18,990
Metropolitan Bank Hld COM 591774104 3,262 105,734 SH   SOLE   88,684 0 17,050
MidWestOne Financial Group COM 598511103 1,088 43,800 SH   SOLE   31,760 0 12,040
Midland States COM 597742105 3,961 177,319 SH   SOLE   149,429 0 27,890
Multi-Color Corp COM 625383104 446 12,700 SH   SOLE   9,210 0 3,490
NN Inc COM 629337106 2,477 369,124 SH   SOLE   315,034 0 54,090
NV5 Global Inc COM 62945V109 729 12,040 SH   SOLE   8,730 0 3,310
Natural Gas Services Group Inc COM 63886Q109 2,828 172,009 SH   SOLE   152,519 0 19,490
Navigant Consulting COM 63935N107 775 32,240 SH   SOLE   23,380 0 8,860
Netgear Inc COM 64111Q104 667 12,810 SH   SOLE   9,290 0 3,520
Newpark Resources Inc COM 651718504 856 124,540 SH   SOLE   90,310 0 34,230
Northeast Bancorp COM 663904209 4,090 244,488 SH   SOLE   216,798 0 27,690
Northrim BanCorp Inc COM 666762109 2,446 74,410 SH   SOLE   65,990 0 8,420
Northwest Pipe COM 667746101 4,864 208,825 SH   SOLE   185,155 0 23,670
OP Bancorp COM 67109R109 2,087 235,236 SH   SOLE   208,606 0 26,630
Old Line Bancshares, Inc COM 67984M100 1,173 44,570 SH   SOLE   32,320 0 12,250
One Stop Systems COM 68247W109 970 499,949 SH   SOLE   443,369 0 56,580
Orrstown Financial Services COM 687380105 1,663 91,318 SH   SOLE   80,998 0 10,320
PAM Transportation Services, I COM 693149106 4,454 113,017 SH   SOLE   100,217 0 12,800
PC Connection COM 69318J100 3,296 110,878 SH   SOLE   92,508 0 18,370
PCM Inc COM 69323K100 6,931 393,579 SH   SOLE   348,979 0 44,600
PRA Group COM 69354N106 773 31,720 SH   SOLE   23,000 0 8,720
Pacific City Financial COM 69406T408 2,150 137,393 SH   SOLE   121,813 0 15,580
Pacific Premier Bancorp Inc COM 69478X105 726 28,440 SH   SOLE   20,630 0 7,810
Parke Bancorp COM 700885106 2,545 135,971 SH   SOLE   120,561 0 15,410
Patrick Industries COM 703343103 546 18,450 SH   SOLE   13,380 0 5,070
Pennantpark Floating Rate Capi COM 70806A106 4,398 380,132 SH   SOLE   320,412 0 59,720
Photronics Inc COM 719405102 1,834 189,480 SH   SOLE   137,400 0 52,080
Premier Financial Bancorp COM 74050M105 3,750 251,528 SH   SOLE   223,016 0 28,512
ProFire Energy COM 74316X101 725 499,840 SH   SOLE   443,079 0 56,761
Quantum Corp COM 747906501 1,737 868,384 SH   SOLE   770,196 0 98,188
Resources Connection COM 76122Q105 947 66,690 SH   SOLE   48,360 0 18,330
Ribbon Communications Inc COM 762544104 1,004 208,390 SH   SOLE   151,110 0 57,280
Riverview Bancorp COM 769397100 2,587 355,305 SH   SOLE   315,045 0 40,260
Rudolph Technologies Inc COM 781270103 878 42,870 SH   SOLE   31,090 0 11,780
SP Plus Corp COM 78469C103 1,138 38,520 SH   SOLE   27,930 0 10,590
Silvercrest Asset Mgmnt Grp Cl COM 828359109 3,373 254,965 SH   SOLE   226,065 0 28,900
Spartan Motors Inc COM 846819100 2,865 396,269 SH   SOLE   335,639 0 60,630
Standard Motor COM 853666105 1,355 27,970 SH   SOLE   20,280 0 7,690
Sterling Bancorp COM 85917W102 721 103,762 SH   SOLE   75,202 0 28,560
Sterling Construction Co Inc COM 859241101 3,094 284,146 SH   SOLE   237,016 0 47,130
Summit Financial Grp COM 86606G101 2,859 148,040 SH   SOLE   131,290 0 16,750
Sykes Enterprises COM 871237103 1,091 44,130 SH   SOLE   32,000 0 12,130
Textainer Group Holdings COM G8766E109 1,235 123,960 SH   SOLE   89,890 0 34,070
Third Point Reinsurrance Ltd COM G8827U100 946 98,090 SH   SOLE   71,130 0 26,960
Triumph Bancorp COM 89679E300 1,173 39,500 SH   SOLE   28,640 0 10,860
TrueBlue Inc COM 89785X101 955 42,940 SH   SOLE   31,140 0 11,800
Twin Disc Inc COM 901476101 4,288 290,724 SH   SOLE   248,714 0 42,010
Ultra Clean Holdings COM 90385V107 5,694 672,229 SH   SOLE   570,999 0 101,230
Unique Fabricating COM 90915J103 2,155 510,627 SH   SOLE   452,767 0 57,860
Univeste Financial Corp COM 915271100 807 37,390 SH   SOLE   27,110 0 10,280
Wabash National Corp COM 929566107 1,052 80,440 SH   SOLE   58,330 0 22,110
West Bancorporation COM 95123P106 3,883 203,424 SH   SOLE   172,174 0 31,250
ZAGG Inc COM 98884U108 5,962 609,598 SH   SOLE   523,348 0 86,250