Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 6,494	$ 9,233
Accounts receivable, net of allowance for doubtful accounts and discounts & allowances of $1,220 and $1,170 at June 30, 2022 and December 31, 2021 respectively	10,354	9,930
Inventories, net	8,436	8,285
Prepaid expenses and other current assets	1,100	1,254
Refundable income taxes	784	344
Total current assets	27,168	29,046
Property, plant and equipment, net	20,595	20,130
Operating lease right-of-use asset	179	216
Goodwill	11,704	11,704
Intangible assets, net	7,708	7,978
Other assets	1,800	1,800
Total assets	69,154	70,874
Current liabilities
Current portion of note payable	1,000	1,000
Accounts payable	6,859	6,614
Accrued expenses	3,166	3,724
Accrued income taxes	0	725
Total current liabilities	11,025	12,063
Line of credit	2,777	2,777
Note payable	2,973	3,470
Operating lease liabilities	86	85
Deferred income taxes, net	3,201	3,201
Other long-term liabilities	0	147
Total liabilities	20,062	21,743
Commitments and contingencies
Stockholders' equity
Preferred stock, no par value; 2,500 shares authorized; no shares issued or outstanding at June 30, 2022 and December 31, 2021	0	0
Common stock, no par value; 40,000 shares authorized; 17,274 shares issued; 15,473 and 15,435 outstanding at June 30, 2022 and December 31, 2021, respectively	6,509	6,509
Paid-in capital	3,008	2,552
Treasury stock, at cost	(13,156)	(13,436)
Retained earnings	52,731	53,506
Total stockholders' equity	49,092	49,131
Total liabilities and stockholders' equity	$ 69,154	$ 70,874