Condensed Consolidated Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 4,843,349	$ 4,167,376
Accounts receivable, less allowance	34,220,635	27,173,431
Inventories	53,552,254	50,704,197
Prepaid expenses and other current assets	2,634,376	1,640,904
Total current assets	95,250,614	83,685,908
Property, plant and equipment:
Land	1,761,434	1,770,453
Buildings and building improvements	13,455,514	12,898,761
Machinery and equipment	29,760,410	24,524,045
Total property, plant and equipment	44,977,358	39,193,259
Less: accumulated depreciation	20,949,861	18,954,352
Net property, plant and equipment	24,027,497	20,238,907
Intangible assets, less accumulated amortization	17,230,529	18,721,423
Goodwill	4,799,829	4,799,829
Operating lease right-of-use asset, net	3,130,215	2,421,669
Total assets	144,438,684	129,867,736
Current liabilities:
Accounts payable	8,976,629	7,601,123
Operating lease liability - current portion	1,000,470	872,908
Current portion of mortgage payable	388,536	266,667
Other accrued liabilities	9,909,477	11,460,024
Total current liabilities	20,275,112	20,200,722
Long-term debt	33,037,172	38,767,167
Mortgage payable, net of current portion	11,080,923	2,911,111
Operating lease liability - non-current portion	2,364,236	1,654,025
Deferred income taxes	599,280	110,221
Total liabilities	67,356,723	67,151,293
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: - 5,065,518 shares issued and 3,520,646 shares outstanding in 2021; 4,840,571 shares issued and 3,338,913 shares outstanding in 2020,	12,654,787	12,100,663
Treasury stock, at cost, 1,544,872 in 2021 and 1,501,658 shares in 2020	(15,995,622)	(14,522,178)
Additional paid-in capital	11,930,067	7,930,673
Accumulated other comprehensive loss	(1,380,648)	(825,967)
Retained earnings	69,873,377	58,033,252
Total stockholders' equity	77,081,961	62,716,443
Total liabilities and stockholders' equity	$ 144,438,684	129,867,736
PPP Loan
Current liabilities:
Long-term debt		$ 3,508,047