Consolidated Balance Sheet (Current Period Unaudited) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents	$ 1,629,872	$ 1,647,175
Accounts receivable less allowance for doubtful accounts	27,001,826	19,671,833
Contract assets	2,952,642	4,822,347
Inventories less allowance for obsolete inventory	19,349,126	17,672,622
Investments	86,608	665,301
Refundable tax asset	1,055,560	0
Prepaid expenses and other current assets	1,538,310	1,303,780
Total Current Assets	53,613,944	45,783,058
Property, plant and equipment, net	23,090,384	14,686,190
Operating lease right of use asset, net	6,331,794	8,356,903
OTHER ASSETS:
Goodwill	17,371,451	16,453,049
Intangibles, net of accumulated amortization	9,690,103	8,252,600
Other non-current assets	94,798	107,798
Total Non-Current Other Assets	27,156,352	24,813,447
Total Assets	110,192,474	93,639,598
CURRENT LIABILITIES:
Notes payable – current	850,185	824,226
Bank debt – current	136,775	0
Operating lease liabilities – current	1,117,484	1,714,174
Accounts payable	11,943,418	11,168,308
Unearned revenue	6,231,001	5,596,706
Accrued income taxes	0	539,876
Accrued expenses	3,985,824	3,292,787
Total Current Liabilities	24,264,687	23,136,077
LONG-TERM LIABILITIES:
Bank debt	15,526,746	5,096,672
Operating lease liabilities – noncurrent	5,424,255	6,901,043
Deferred income taxes	310,250	310,250
Total Long-Term Liabilities	21,299,777	12,778,174
STOCKHOLDERS' EQUITY
Contributed capital	1,741,901	1,741,901
Treasury shares	(2,489,295)	(2,237,026)
Retained earnings	54,156,306	47,875,964
Total Stockholders' Equity	64,628,010	57,725,347
Total Liabilities and Stockholders' Equity	110,192,474	93,639,598
Common Class A [Member]
STOCKHOLDERS' EQUITY
Common shares	9,753,576	8,878,986
Common Class B [Member]
STOCKHOLDERS' EQUITY
Common shares	1,465,522	1,465,522
Notes Payable Excluding Paycheck Protection Program Cares Act [Member]
LONG-TERM LIABILITIES:
Notes Payable, Noncurrent	$ 38,526	$ 470,209