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
Balchem Corp. - Common Stock COM 057665200 38,678 318,131 SH   SOLE   318,131 0 0
Bel Fuse Inc. - Class A Common Stock CL A 077347201 655 23,434 SH   SOLE   23,434 0 0
Bel Fuse Inc. - Class B Common Stock CL B 077347300 1,708 67,634 SH   SOLE   67,634 0 0
Berkshire Hathaway Inc. Common Stock CL A 084670108 1,626 4 SH   SOLE   4 0 0
Black Knight Inc. - Common Stock COM 09215C105 55 852 SH   SOLE   2,852 0 0
Boeing Co. - Common Stock COM 097023105 605 5,000 SH   SOLE   5,000 0 0
Boston Omaha Corporation - Class A Common Stock CL A 101044105 3,091 134,155 SH   SOLE   134,155 0 0
Broadridge Financial Solutions, Inc. - Common Stock COM 11133T103 5,887 40,793 SH   SOLE   40,793 0 0
Chase Corporation - Common Stock COM 16150R104 888 10,626 SH   SOLE   10,626 0 0
First Horizon National Corp. - Common Stock COM 320517105 2,343 102,296 SH   SOLE   102,296 0 0
Flushing Financial Corporation - Common Stock COM 343873105 421 21,745 SH   SOLE   21,745 0 0
Franco-Nevada Corporation - Common Stock COM 351858105 1,276 10,676 SH   SOLE   10,676 0 0
Garmin Ltd. - Common Stock COM H2906T109 3,273 40,755 SH   SOLE   40,755 0 0
Lixte Biotechnology Holdings Inc. - Common Stock COM 539319202 93 166,667 SH   SOLE   166,667 0 0
Mastercard Incorporated - Common Stock COM 57636Q104 33,316 117,170 SH   SOLE   117,170 0 0
Metropolitan Bank Holding Corp. - Common Stock COM 591774104 503 7,811 SH   SOLE   7,811 0 0
Permian Basin Royalty Trust - Common Stock COM 714236106 1,412 86,500 SH   SOLE   86,500 0 0
Psychemedics Corp. - Common Stock COM 744375205 129 20,000 SH   SOLE   20,000 0 0
Simulations Plus, Inc. - Common Stock COM 829214105 1,388 28,596 SH   SOLE   28,596 0 0
Tejon Ranch Co. - Common Stock COM 879080109 2,530 175,701 SH   SOLE   173,701 0 0
Texas Pacific Land Corp. - Common Stock COM 882610108 32,527 18,302 SH   SOLE   18,302 0 0
Virtus Investment Partners, Inc. - Common Stock COM 92828Q109 969 6,076 SH   SOLE   6,076 0 0