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
AMPCO-PITTSBURGH CORP COM 032037103 4,236 671,360 SH   SOLE   671,360 0 0
ARCOSA INC COM 039653100 735 12,834 SH   SOLE   12,834 0 0
ASTRONOVA INC COM 04638F108 2,740 180,623 SH   SOLE   180,623 0 0
AZZ INC. COM 002474104 449 9,314 SH   SOLE   9,314 0 0
BARRETT BUSINESS SERVICES INC COM 068463108 1,139 14,706 SH   SOLE   14,706 0 0
BRIGHTVIEW HOLDINGS, INC COM 10948C107 1,328 97,602 SH   SOLE   97,602 0 0
CARS.COM INC. COM 14575E105 1,368 94,777 SH   SOLE   94,777 0 0
CNX RESOURCES CORP COM 20854P109 2,036 98,284 SH   SOLE   98,284 0 0
CONCRETE PUMPING HOLDINGS, INC COM 206704108 4,768 711,698 SH   SOLE   711,698 0 0
CONDUENT INCORPORATED COM 206787103 1,224 237,173 SH   SOLE   237,173 0 0
CRAWFORD & CO -CL B COM 224633107 395 54,250 SH   SOLE   54,250 0 0
CRAWFORD & COMPANY - CL A COM 224633206 532 70,344 SH   SOLE   70,344 0 0
CROWN CRAFTS INC COM 228309100 3,234 496,789 SH   SOLE   496,789 0 0
DASEKE INC. COM 23753F107 1,318 130,855 SH   SOLE   130,855 0 0
DMC GLOBAL INC COM 23291C103 2,202 72,197 SH   SOLE   72,197 0 0
FORACO INTERNATIONAL S.A. COM F4269M103 5,278 3,238,100 SH   SOLE   3,238,100 0 0
GEOSPACE TECHNOLOGIES CORPORAT COM 37364X109 4,207 731,734 SH   SOLE   731,734 0 0
GRANITE CONSTRUCTION INC COM 387328107 1,136 34,632 SH   SOLE   34,632 0 0
GREENHILL & CO INC. COM 395259104 4,457 288,081 SH   SOLE   288,081 0 0
HEALTHCARE SERVICES GROUP COM 421906108 1,326 71,414 SH   SOLE   71,414 0 0
HERITAGE INSURANCE HOLDINGS COM 120269623 8,458 1,184,546 SH   SOLE   1,184,546 0 0
HILL INTERNATIONAL INC. COM 431466101 4,712 2,890,714 SH   SOLE   2,890,714 0 0
HOUGHTON MIFFLIN HARCOURT COM 44157R109 3,522 167,641 SH   SOLE   167,641 0 0
INVACARE CORP COM 461203101 2,579 1,829,034 SH   SOLE   1,829,034 0 0
L.B. FOSTER COMPANY COM 350060109 5,992 389,863 SH   SOLE   389,863 0 0
LINDBLAD EXPEDITIONS HOLDINGS COM 535219109 778 51,589 SH   SOLE   51,589 0 0
LUXFER HOLDINGS COM G5698W116 1,312 78,123 SH   SOLE   78,123 0 0
MAJOR DRILLING GROUP COM 560909103 1,852 190,450 SH   SOLE   190,450 0 0
MANITEX INTERNATIONAL INC COM 563420108 6,033 828,684 SH   SOLE   828,684 0 0
MANITOWOC COMPANY, INC. COM 563571405 895 59,363 SH   SOLE   59,363 0 0
MATRIX SERVICE COMPANY COM 576853105 6,405 779,209 SH   SOLE   779,209 0 0
MATTHEWS INTERNATIONAL CORPORA COM 577128101 1,057 32,653 SH   SOLE   32,653 0 0
MOTORCAR PARTS OF AMERICA COM 620071100 7,357 412,607 SH   SOLE   412,607 0 0
NATUS MEDICAL INCORPORATED COM 639050103 1,239 47,131 SH   SOLE   47,131 0 0
NORTHERN TECHNOLOGIES INTL COM 665809109 3,858 320,999 SH   SOLE   320,999 0 0
PCTEL INC. COM 69325Q105 5,254 1,132,317 SH   SOLE   1,132,317 0 0
RCM TECHNOLOGIES, INC. COM 749360400 4,417 447,927 SH   SOLE   447,927 0 0
RED ROBIN GOURMET BURGERS INC COM 75689M101 5,358 317,821 SH   SOLE   317,821 0 0
STRATTEC SECURITY CORPORATION COM 863111100 5,886 155,908 SH   SOLE   155,908 0 0
TECNOGLASS INC. COM G87264100 6,928 274,502 SH   SOLE   274,502 0 0
TEXTAINER GROUP HOLDINGS LIMIT COM G8766E109 1,331 34,964 SH   SOLE   34,964 0 0
THE ANDERSONS INC COM 034164103 815 16,207 SH   SOLE   16,207 0 0
THE BANCORP INC. COM 05969A105 4,858 171,495 SH   SOLE   171,495 0 0
THE MARCUS CORP COM 566330106 1,101 62,223 SH   SOLE   62,223 0 0
THERMON GROUP HOLDINGS, INC. COM 88362T103 1,098 67,802 SH   SOLE   67,802 0 0
TITAN MACHINERY, INC. COM 88830R101 4,997 176,838 SH   SOLE   176,838 0 0
TRECORA RESOURCES COM 894648104 6,513 769,841 SH   SOLE   769,841 0 0
UMH PROPERTIES INC. COM 903002103 2,776 112,901 SH   SOLE   112,901 0 0
UNISYS CORP COM 909214306 890 41,191 SH   SOLE   41,191 0 0
VAREX IMAGING CORPORATION COM 92214X106 1,165 54,721 SH   SOLE   54,721 0 0
VERA BRADLEY INC COM 92335C106 4,771 622,069 SH   SOLE   622,069 0 0
WABASH NATIONAL CORP COM 929566107 1,103 74,350 SH   SOLE   74,350 0 0