Consolidated Balance Sheets - USD ($)	Dec. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash and cash equivalents	$ 1,647,175	$ 1,247,627
Accounts receivable less allowance for doubtful accounts	19,671,833	21,884,807
Contract assets	4,822,347	3,284,301
Inventories less allowance for obsolete inventory	17,672,622	20,176,142
Investments	665,301	657,971
Prepaid expenses and other current assets	1,303,780	1,522,516
Total Current Assets	45,783,058	48,773,364
Property, plant and equipment, net	14,686,190	15,213,443
Operating right of use asset, net	8,356,903	9,524,280
OTHER ASSETS:
Goodwill	16,453,049	16,231,938
Intangibles, net of accumulated amortization	8,252,600	9,492,560
Other non-current assets	107,798	362,489
Total Non-Current Assets	24,813,447	26,086,987
Total Assets	93,639,598	99,598,074
CURRENT LIABILITIES:
Notes payable – current	824,226	1,303,972
Bank debt – current	0	222,222
Operating lease liabilities - current	1,714,174	1,705,224
Accounts payable	11,168,308	14,017,973
Unearned revenue	5,596,706	4,354,868
Accrued income taxes	539,876	1,239,289
Accrued expenses	3,292,787	3,224,188
Total Current Liabilities	23,136,077	26,067,736
LONG-TERM LIABILITIES:
Bank debt	5,096,672	19,224,318
Operating lease liabilities - noncurrent	6,901,043	8,060,152
Deferred income taxes	310,250	1,384,558
Total Long-Term Liabilities	12,778,174	30,515,433
STOCKHOLDERS' EQUITY
Contributed capital	1,741,901	1,741,901
Treasury shares	(2,237,026)	(2,125,252)
Retained earnings	47,875,964	34,581,171
Total Stockholders' Equity	57,725,347	43,014,905
Total Liabilities and Stockholders' Equity	93,639,598	99,598,074
Common Class A [Member]
STOCKHOLDERS' EQUITY
Class A common shares - 10,000,000 shares authorized, 2,832,966 issued at December 31, 2023 and 2,791,449 issued at December 31, 2022	8,878,986	7,351,563
Common Class B [Member]
STOCKHOLDERS' EQUITY
Class A common shares - 10,000,000 shares authorized, 2,832,966 issued at December 31, 2023 and 2,791,449 issued at December 31, 2022	1,465,522	1,465,522
Notes Payable Excluding Paycheck Protection Program Cares Act [Member]
LONG-TERM LIABILITIES:
Notes Payable, Noncurrent	$ 470,209	$ 1,846,405