Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 7,987	$ 9,233
Accounts receivable, net of allowance for doubtful accounts and discounts & allowances of $1,320 and $1,170 at March 31, 2022 and December 31, 2021 respectively	11,389	9,930
Inventories, net	8,649	8,285
Prepaid expenses and other current assets	1,066	1,254
Refundable income taxes	503	344
Total current assets	29,594	29,046
Property, plant and equipment, net	19,822	20,130
Operating lease right-of-use asset	216	216
Intangible assets
Goodwill	11,704	11,704
Intangible assets, net	7,843	7,978
Total intangible assets	19,547	19,682
Other assets	1,800	1,800
Total assets	70,979	70,874
Current liabilities
Current portion of note payable	1,000	1,000
Accounts payable	8,723	6,614
Accrued expenses	3,190	3,724
Accrued income taxes	199	725
Total current liabilities	13,112	12,063
Line of credit	2,777	2,777
Note payable	3,222	3,470
Operating lease liabilities	98	85
Deferred income taxes, net	3,201	3,201
Other long-term liabilities	224	147
Total liabilities	22,634	21,743
Commitments and contingencies
Stockholders' equity
Preferred stock, no par value; 2,500 shares authorized; no shares issued or outstanding at March 31, 2022 and December 31, 2021	0	0
Common stock, no par value; 40,000 shares authorized; 17,274 shares issued; 15,435 outstanding at March 31, 2022 and December 31, 2021, respectively	6,509	6,509
Paid-in capital	2,661	2,552
Treasury stock, at cost	(13,436)	(13,436)
Retained earnings	52,611	53,506
Total stockholders' equity	48,345	49,131
Total liabilities and stockholders' equity	$ 70,979	$ 70,874