Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 7,926	$ 3,836
Accounts receivable, net of allowance for doubtful accounts and discounts & allowances of $1,350 and $1,100 at December 31, 2020 and 2019, respectively	8,002	6,692
Inventories, net	6,930	6,392
Prepaid expenses and other current assets	1,163	1,598
Refundable income taxes	31	681
Total current assets	24,052	19,199
Property, plant and equipment, net	21,048	22,274
Operating lease right-of-use asset	345	738
Intangible assets
Goodwill and indefinite-lived intangibles	12,824	12,824
Other intangible assets, net	0	152
Total intangible assets	12,824	12,976
Other assets	1,800	1,800
Total assets	60,069	56,987
Current liabilities
Accounts payable	5,592	5,282
Accrued expenses	2,196	4,087
Accrued income taxes	653	154
Total current liabilities	8,441	9,523
Line of credit	2,768	2,745
Operating lease liabilities	165	488
Deferred income taxes, net	1,764	922
Other long-term liabilities	77	58
Total liabilities	13,215	13,736
Commitments and contingencies
Stockholders' equity
Preferred stock, no par value; 2,500 shares authorized; no shares issued or outstanding at 2020 and 2019	0	0
Common stock, no par value; 40,000 shares authorized; 17,274 shares issued; 15,604 and 15,710 shares outstanding at 2020 and 2019	6,509	6,509
Paid-in-capital	2,600	2,380
Treasury stock, at cost	(12,450)	(12,601)
Retained earnings	50,195	46,963
Total stockholders' equity	46,854	43,251
Total liabilities and stockholders' equity	$ 60,069	$ 56,987