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
AAON INC COM 000360206 299 8,470 SH   SOLE   7,370 0 1,100
ABRAXAS PETROL COM 003830106 4,627 2,290,711 SH   SOLE   1,350,469 0 940,242
ACUSHNET HOLDINGS CORP COM 005098108 535 31,010 SH   SOLE   26,960 0 4,050
ADDUS HOMECARE CORP COM 006739106 5,492 171,636 SH   SOLE   104,364 0 67,272
ALLIED MOTION TECH COM 019330109 10,041 499,597 SH   SOLE   283,640 0 215,957
AMERISAFE INC COM 03071H100 920 14,184 SH   SOLE   12,284 0 1,900
AMN HEALTHCARE SER. INC COM 001744101 771 19,003 SH   SOLE   16,483 0 2,520
ANI PHARMACEUTICALS COM 00182c103 441 8,923 SH   SOLE   7,760 0 1,163
ARGAN INC COM 04010E109 2,945 44,524 SH   SOLE   22,967 0 21,557
ARMSTRONG FLOORING INC COM 04238R106 2,429 131,920 SH   SOLE   82,315 0 49,605
ATRION CORP COM 049904105 9,990 21,338 SH   SOLE   12,547 0 8,791
AUTOBYTEL INC COM 05275N205 5,468 436,455 SH   SOLE   269,222 0 167,233
AZZ INC COM 002474104 720 12,111 SH   SOLE   10,531 0 1,580
BANK OF NT BUTTERFIELD AND SON COM G0772r208 247 7,770 SH   SOLE   7,770 0 0
BANNER CORP COM 06652V208 463 8,331 SH   SOLE   7,231 0 1,100
BASIC ENERGY SERVICES COM 06985P209 567 17,010 SH   SOLE   14,800 0 2,210
BASSETT FURN COM 070203104 12,863 478,197 SH   SOLE   272,477 0 205,720
BEL FUSE INC CL B COM 077347300 5,294 207,232 SH   SOLE   129,435 0 77,797
BENCHMARK ELEC COM 08160H101 982 30,881 SH   SOLE   27,030 0 3,851
BNC BANCORP COM 05566T101 547 15,630 SH   SOLE   13,530 0 2,100
BUFFALO WILD WNGS COM 119848109 933 6,111 SH   SOLE   5,311 0 800
CALAMP CORP COM 128126109 10,049 598,537 SH   SOLE   363,631 0 234,906
CALLAWAY GOLF CO COM 131193104 13,520 1,221,384 SH   SOLE   722,018 0 499,366
CAMBREX CORP COM 132011107 606 11,015 SH   SOLE   9,580 0 1,435
CENTURY COMMUNITIES INC COM 156504300 6,119 240,920 SH   SOLE   140,617 0 100,303
CHART INDUSTRIES COM 16115q308 569 16,310 SH   SOLE   14,190 0 2,120
CHASE CORP COM 16150R104 470 4,930 SH   SOLE   4,290 0 640
CITIZENS COMM BCP COM 174903104 2,077 150,000 SH   SOLE   87,900 0 62,100
CLEARFIELD INC COM 18482P103 9,371 569,695 SH   SOLE   336,296 0 233,399
COMMUNITY HEALTHCARE TRUST I COM 20369C106 7,288 304,950 SH   SOLE   179,440 0 125,510
CONDOR HOSPITALITY TRUST INC COM 20676Y403 3,710 350,000 SH   SOLE   206,790 0 143,210
CRA INTERNATIONAL INC COM 12618T105 6,476 183,304 SH   SOLE   108,404 0 74,900
CULP INC COM 230215105 5,935 190,232 SH   SOLE   113,592 0 76,640
CURTISS WRIGHT COM 231561101 546 5,985 SH   SOLE   5,185 0 800
DEL FRISCOS RSTRNT GRP COM 245077102 8,002 443,340 SH   SOLE   261,390 0 181,950
DELUXE CORP COM 248019101 520 7,206 SH   SOLE   6,206 0 1,000
DRIL QUIP COM 262037104 288 5,292 SH   SOLE   4,602 0 690
ENTERPRISE FINANCIAL SERVICE COM 293712105 9,277 218,819 SH   SOLE   126,758 0 92,061
EPLUS COM 294268107 16,496 122,153 SH   SOLE   74,746 0 47,407
EQUITY BANCSHARES CL A COM 29460X109 5,758 181,250 SH   SOLE   114,823 0 66,427
ERA GROUP INC COM 26885G109 11,491 866,607 SH   SOLE   466,468 0 400,139
EVOLUTION PETRO CORP COM 30049A107 5,031 628,879 SH   SOLE   370,856 0 258,023
EXACTECH INC COM COM 30064E109 4,857 192,771 SH   SOLE   113,300 0 79,471
EXLSERVICE HOLDINGS INC COM 302081104 1,012 21,381 SH   SOLE   18,581 0 2,800
FABRINET COM G3323L100 9,798 233,142 SH   SOLE   131,672 0 101,470
FIESTA RESTAURANT GRP COM 31660b101 303 12,540 SH   SOLE   10,900 0 1,640
FIRST BUSEY CORP COM 319383204 16,935 576,033 SH   SOLE   350,954 0 225,079
FIRST FINL NW COM 32022K102 6,217 351,857 SH   SOLE   208,578 0 143,279
FIRST INTERNET BANCORP COM 320557101 7,729 262,020 SH   SOLE   153,580 0 108,440
FLEXSTEEL INDS COM 339382103 9,431 187,133 SH   SOLE   108,363 0 78,770
FOGO DE CHAO INC COM 344177100 1,570 96,640 SH   SOLE   56,900 0 39,740
FORUM ENERGY TECH COM 34984V100 885 42,780 SH   SOLE   37,200 0 5,580
FORWARD AIR COM 349853101 766 16,120 SH   SOLE   14,000 0 2,120
FOSTER LB COM 350060109 3,436 274,943 SH   SOLE   161,400 0 113,543
GENESEE WYOMING COM 371559105 893 13,160 SH   SOLE   11,450 0 1,710
GENTHERM INC COM 37253A103 614 15,650 SH   SOLE   13,610 0 2,040
GP STRATEGIES COM 36225V104 9,710 383,832 SH   SOLE   220,604 0 163,228
GRACO INC COM 384109104 970 10,305 SH   SOLE   8,914 0 1,391
GRAHAM CORP COM 384556106 12,285 534,132 SH   SOLE   312,659 0 221,473
H AND E EQUIP SVCS COM 404030108 3,501 142,802 SH   SOLE   84,182 0 58,620
HACKETT GROUP INC COM 404609109 10,117 519,130 SH   SOLE   304,724 0 214,406
HEALTHSTREAM INC COM 42222n103 8,877 366,394 SH   SOLE   219,896 0 146,498
HEARTLAND EXP COM 422347104 538 26,840 SH   SOLE   23,340 0 3,500
HEICO CORP NEW COM COM 422806109 1,025 11,760 SH   SOLE   10,230 0 1,530
HELEN OF TROY COM G4388N106 797 8,470 SH   SOLE   7,370 0 1,100
HERITAGE FINL COM 42722X106 13,555 547,680 SH   SOLE   322,430 0 225,250
HERITAGE OAKS BANCORP COM 42724R107 4,558 341,475 SH   SOLE   183,176 0 158,299
HILL INTERNATIONAL INC COM 431466101 9,035 2,177,111 SH   SOLE   1,301,356 0 875,755
HOME BANCORP INC COM 43689E107 3,407 100,962 SH   SOLE   66,670 0 34,292
HOME BANCSHARES COM 436893200 1,340 49,510 SH   SOLE   42,910 0 6,600
HOMETRUST BANCSHARES INC COM 437872104 10,855 461,930 SH   SOLE   272,100 0 189,830
HOOKER FURNITURE COM 439038100 5,479 176,470 SH   SOLE   101,110 0 75,360
HORACE MANN EDUCATORS COM 440327104 813 19,812 SH   SOLE   17,232 0 2,580
HORIZON BANCORP COM 440407104 995 37,962 SH   SOLE   33,022 0 4,940
HOUSTON WRE AND CBLE COM 44244K109 6,800 1,007,484 SH   SOLE   591,460 0 416,024
HURCO COMPANIES COM 447324104 4,428 142,401 SH   SOLE   60,362 0 82,039
HUTTIG BUILDING PRODUCTS COM 448451104 2,442 300,000 SH   SOLE   174,700 0 125,300
IMMERSION CORPORATION COM 452521107 7,003 808,736 SH   SOLE   465,566 0 343,170
INDEPNDNT BK MI COM 453838609 8,439 407,693 SH   SOLE   225,013 0 182,680
INFINITY PROPERTY AND CASUALTY COM 45665Q103 786 8,239 SH   SOLE   7,139 0 1,100
INFO SERVICES GRP COM 45675y104 6,545 2,077,887 SH   SOLE   1,260,261 0 817,626
INNOPHOS HOLDINGS INC COM 45774N108 648 12,020 SH   SOLE   10,450 0 1,570
INOGEN INC COM 45780L104 1,294 16,687 SH   SOLE   14,574 0 2,113
INSTEEL INDUST INC COM 45774W108 10,531 291,402 SH   SOLE   171,640 0 119,762
INTREPID POTASH INC COM 46121Y102 224 130,690 SH   SOLE   113,650 0 17,040
JOHNSON OUTDOORS COM 479167108 10,415 285,360 SH   SOLE   171,677 0 113,683
KADANT INC COM 48282T104 892 15,036 SH   SOLE   8,567 0 6,469
KINGSTONE COS INC COM 496719105 3,335 209,094 SH   SOLE   117,322 0 91,772
KIRBY CORP COM 497266106 1,237 17,545 SH   SOLE   15,215 0 2,330
KMG CHEMICALS INC COM 482564101 2,256 48,990 SH   SOLE   43,620 0 5,370
KVH INDS COM 482738101 1,932 230,074 SH   SOLE   206,662 0 23,412
LANDEC CORP COM 514766104 10,611 884,279 SH   SOLE   505,420 0 378,859
LANDSTAR SYST COM 515098101 853 9,969 SH   SOLE   8,669 0 1,300
LEMAITRE VASCULAR INC COM 525558201 8,850 359,339 SH   SOLE   211,032 0 148,307
LIFEPOINT HOSPITALS INC COM 53219l109 596 9,100 SH   SOLE   9,100 0 0
LITHIA MOTORS INC-CL A COM 536797103 553 6,463 SH   SOLE   5,563 0 900
LOGMEIN INC COM COM 54142L109 941 9,659 SH   SOLE   8,399 0 1,260
LSI INDUSTRIES INC COM 50216C108 11,615 1,151,183 SH   SOLE   642,810 0 508,373
LUMINEX CORP COM 55027E102 7,373 401,398 SH   SOLE   265,959 0 135,439
LYDALL INC COM 550819106 7,650 142,742 SH   SOLE   82,332 0 60,410
MAMMOTH ENERGY SERVICES INC COM 56155L108 5,331 247,880 SH   SOLE   146,250 0 101,630
MAXIMUS INC COM 577933104 805 12,954 SH   SOLE   11,318 0 1,636
MB FINANCIAL COM 55264U108 1,070 25,002 SH   SOLE   21,742 0 3,260
MERCANTILE BANK CORP COM 587376104 3,672 106,750 SH   SOLE   62,350 0 44,400
MERCURY SYSTEMS COM 589378108 6,461 165,464 SH   SOLE   96,331 0 69,133
MERIDIAN BANCORP INC COM 58958U103 5,106 279,064 SH   SOLE   144,104 0 134,960
MERIT MEDICAL SYS COM 589889104 10,460 361,957 SH   SOLE   213,513 0 148,444
MERITAGE HOMES COM 59001A102 564 15,330 SH   SOLE   13,340 0 1,990
MESA LABORATORIES INC COM 59064R109 5,061 41,255 SH   SOLE   24,330 0 16,925
METHODE ELECTRONICS INC COM 591520200 656 14,402 SH   SOLE   12,464 0 1,938
MILLER INDUSTRIES COM 600551204 11,337 430,271 SH   SOLE   218,061 0 212,210
MITEK SYSTEMS INC COM 606710200 3,874 582,642 SH   SOLE   342,150 0 240,492
MKS INSTRUMENTS COM 55306N104 600 8,733 SH   SOLE   7,599 0 1,134
MTS SYSTEMS CORP COM 553777103 760 13,806 SH   SOLE   11,985 0 1,821
MUTUAL 1ST FINL COM 62845B104 968 30,705 SH   SOLE   0 0 30,705
MYR GROUP COM 55405W104 6,256 152,596 SH   SOLE   93,587 0 59,009
NAT GAS SERVICES COM 63886Q109 5,611 215,409 SH   SOLE   126,914 0 88,495
NAUTILUS INC COM 63910B102 4,933 270,327 SH   SOLE   197,198 0 73,129
NAVIGATORS GROUP INC COM 638904102 350 6,460 SH   SOLE   5,660 0 800
NEOGEN CORP COM COM 640491106 1,341 20,465 SH   SOLE   17,791 0 2,674
NEOGENOMICS INC COM 64049M209 4,310 546,303 SH   SOLE   321,320 0 224,983
NIC INC COM 62914B100 473 23,448 SH   SOLE   20,355 0 3,093
OCEANFIRST CORP COM 675234108 5,544 196,790 SH   SOLE   116,380 0 80,410
OLD SECOND BCP COM 680277100 17,697 1,573,097 SH   SOLE   1,001,874 0 571,223
OMEGA PROTEIN COM 68210P107 8,688 433,352 SH   SOLE   253,700 0 179,652
OMNICELL INC COM 68213n109 5,729 140,958 SH   SOLE   89,205 0 51,753
OVERSTOCK.COM INC COM 690370101 14,104 820,039 SH   SOLE   479,919 0 340,120
PAPA JOHNS INTL COM 698813102 606 7,576 SH   SOLE   6,576 0 1,000
PARK STERLING COM 70086Y105 3,551 288,479 SH   SOLE   171,077 0 117,402
PDF SOLUTIONS COM 693282105 10,148 448,638 SH   SOLE   264,453 0 184,185
PERFICIENT INC COM 71375U101 3,651 210,343 SH   SOLE   124,255 0 86,088
PLANET PAYMENT INC COM U72603118 6,973 1,752,015 SH   SOLE   1,022,770 0 729,245
PREFERRED BANK LA COM 740367404 4,104 76,498 SH   SOLE   45,113 0 31,385
PROASSURANCE CORP COM 74267C106 501 8,326 SH   SOLE   7,226 0 1,100
RANDOLPH BANCORP INC COM 752378109 5,889 379,949 SH   SOLE   269,219 0 110,730
REDROBIN GRMT COM 75689M101 17,977 307,575 SH   SOLE   183,525 0 124,050
RENEWABLE ENERGY GRP COM 75972A301 4,558 436,242 SH   SOLE   265,266 0 170,976
RIGNET INC COM 766582100 1,198 55,856 SH   SOLE   0 0 55,856
RING ENERGY COM 76680V108 2,182 201,744 SH   SOLE   112,910 0 88,834
RIVERVIEW BANCORP INC COM 769397100 1,864 260,779 SH   SOLE   151,360 0 109,419
RLI CORP COM 749607107 640 10,670 SH   SOLE   9,270 0 1,400
ROGERS CORP COM 775133101 6,356 74,030 SH   SOLE   46,064 0 27,966
S AND W SEED CO COM 785135104 2,652 535,790 SH   SOLE   484,520 0 51,270
SAFETY INSURANCE GROUP INC COM 78648T100 593 8,466 SH   SOLE   7,366 0 1,100
SANMINA CORP COM 801056102 308 7,600 SH   SOLE   6,600 0 1,000
SCANSOURCE COM 806037107 531 13,532 SH   SOLE   11,749 0 1,783
SCHNITZER STEEL COM 806882106 1,836 88,930 SH   SOLE   81,180 0 7,750
SELECTIVE INS COM 816300107 1,041 22,097 SH   SOLE   19,097 0 3,000
SI FINANCIAL GROUP INC COM 78425V104 12,043 857,165 SH   SOLE   468,043 0 389,122
SMART SAND INC COM 83191H107 8,923 549,136 SH   SOLE   319,326 0 229,810
SOUTH ST CORP COM 840441109 482 5,395 SH   SOLE   4,685 0 710
STEVE MADDEN COM 556269108 968 25,121 SH   SOLE   21,781 0 3,340
STONEGATE BANK COM 861811107 7,817 166,010 SH   SOLE   95,390 0 70,620
SUPERNUS PHARMA INC COM 868459108 880 28,128 SH   SOLE   24,328 0 3,800
SYNNEX CORP COM COM 87162w100 770 6,881 SH   SOLE   5,974 0 907
TELEDYNE TECH COM 879360105 603 4,770 SH   SOLE   4,170 0 600
TEXAS ROADHOUSE INC COM 882681109 872 19,604 SH   SOLE   17,004 0 2,600
THOR INDS COM 885160101 791 8,235 SH   SOLE   7,165 0 1,070
TIMKEN STEEL CORP COM 887399103 5,076 268,477 SH   SOLE   162,322 0 106,155
TRC COS INC COM 872625108 16,561 949,072 SH   SOLE   493,710 0 455,362
TRICO BANCSHARES COM 896095106 4,227 118,970 SH   SOLE   107,490 0 11,480
TRINITY INDUSTRIES COM 896522109 677 25,500 SH   SOLE   22,180 0 3,320
UFP TECH INC COM 902673102 11,829 456,727 SH   SOLE   293,262 0 163,465
ULTRA CLEAN HOLDINGS COM 90385V107 8,931 529,426 SH   SOLE   312,286 0 217,140
UNIFIRST COM 904708104 766 5,419 SH   SOLE   4,709 0 710
UNIVERSAL ELEC COM 913483103 7,992 116,684 SH   SOLE   68,794 0 47,890
UNIVRSL STNLESS COM 913837100 5,445 320,350 SH   SOLE   181,780 0 138,570
US AUTO PARTS NETWORK INC COM 90343C100 2,900 865,690 SH   SOLE   545,693 0 319,997
US PHYSICAL THPY COM 90337L108 10,007 153,253 SH   SOLE   90,166 0 63,087
USA TECHNOLOGIES INC COM 90328S500 3,227 759,345 SH   SOLE   459,140 0 300,205
VIRTUSA CORP COM 92827P102 746 24,707 SH   SOLE   21,489 0 3,218
WATERSTONE FINANCIAL INC COM 94188P101 2,433 133,340 SH   SOLE   70,450 0 62,890
WATSCO INC COM 942622200 715 4,997 SH   SOLE   4,397 0 600
ZIX CORP COM 98974P100 6,506 1,352,797 SH   SOLE   797,636 0 555,161