Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 2,764	$ 6,100
Accounts receivable, less allowance of $847 in 2023 and $1,061 in 2022	32,972	32,604
Inventories	58,488	63,325
Prepaid expenses and other current assets	4,210	2,821
Restricted cash	750	750
Total current assets	99,184	105,600
Property, plant and equipment:
Land	1,982	1,979
Buildings	17,315	16,614
Machinery and equipment	31,529	31,492
Total property, plant and equipment	50,826	50,085
Less: accumulated depreciation	24,429	23,669
Net property, plant and equipment	26,397	26,416
Operating lease right-of-use asset, net	2,675	2,632
Goodwill	8,189	8,189
Intangible assets, less accumulated amortization	20,273	20,790
Other assets - restricted cash	750	750
Total assets	157,468	164,377
Current liabilities:
Accounts payable	10,597	10,514
Operating lease liability - current portion	1,216	1,130
Current portion of mortgage payable	405	405
Other current liabilities	11,815	10,078
Total current liabilities	24,033	22,127
Long-term debt	40,135	49,916
Mortgage payable, net of current portion	10,597	10,694
Operating lease liability - non-current portion	1,628	1,683
Deferred income taxes	305	305
Other non-current liabilities	654	622
Total liabilities	77,352	85,347
Commitments and contingencies (see note 2)
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; 5,090,597 shares issued and 3,545,725 shares outstanding in 2023 and 5,083,051 shares issued and 3,538,179 shares outstanding in 2021	12,717	12,699
Additional paid-in capital	13,914	13,448
Retained earnings	71,460	70,967
Treasury stock, at cost - 1,544,872 shares in 2023 and 2022	(15,996)	(15,996)
Accumulated other comprehensive loss:
Translation adjustment	(1,979)	(2,088)
Total stockholders’ equity	80,116	79,030
Total liabilities and stockholders’ equity	$ 157,468	$ 164,377