Consolidated Balance Sheet (Current Period Unaudited) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
CURRENT ASSETS:
Cash and cash equivalents	$ 2,747,142	$ 1,647,175
Accounts receivable less allowance for doubtful accounts	25,387,705	19,671,833
Contract assets	5,037,487	4,822,347
Inventories less allowance for obsolete inventory	19,123,057	17,672,622
Investments	411,599	665,301
Prepaid expenses and other current assets	2,062,105	1,303,780
Total Current Assets	54,769,095	45,783,058
Property, plant and equipment, net	16,192,666	14,686,190
Operating right of use asset, net	8,011,139	8,356,903
OTHER ASSETS:
Goodwill	17,784,036	16,453,049
Intangibles, net of accumulated amortization	10,004,264	8,252,600
Other non-current assets	94,798	107,798
Total Non-Current Other Assets	27,883,098	24,813,447
Total Assets	106,855,998	93,639,598
CURRENT LIABILITIES:
Notes payable – current	837,105	824,226
Operating lease liabilities – current	1,734,007	1,714,174
Accounts payable	14,801,864	11,168,308
Unearned revenue	5,672,493	5,596,706
Accrued income taxes	1,689,053	539,876
Accrued expenses	3,322,582	3,292,787
Total Current Liabilities	28,057,104	23,136,077
LONG-TERM LIABILITIES:
Bank debt	10,613,372	5,096,672
Operating lease liabilities – noncurrent	6,536,914	6,901,043
Deferred income taxes	310,250	310,250
Total Long-Term Liabilities	17,716,577	12,778,174
STOCKHOLDERS' EQUITY
Contributed capital	1,741,901	1,741,901
Treasury shares	(2,489,295)	(2,237,026)
Retained earnings	50,872,849	47,875,964
Total Stockholders' Equity	61,082,317	57,725,347
Total Liabilities and Stockholders' Equity	106,855,998	93,639,598
Common Class A [Member]
STOCKHOLDERS' EQUITY
Common shares	9,491,340	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	$ 256,041	$ 470,209