Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 5,307	$ 4,843
Accounts receivable, less allowance of $1,013 in 2022 and $1,007 in 2021	34,605	34,221
Inventories	60,716	53,552
Prepaid expenses and other current assets	3,810	2,635
Total current assets	104,438	95,251
Property, plant and equipment:
Land	1,759	1,761
Buildings	13,516	13,456
Machinery and equipment	30,221	29,760
Total property, plant and equipment	45,496	44,977
Less: accumulated depreciation	21,609	20,950
Net property, plant and equipment	23,887	24,027
Operating lease right-of-use asset, net	3,064	3,130
Goodwill	4,800	4,800
Intangible assets, less accumulated amortization	16,888	17,231
Total assets	153,077	144,439
Current liabilities:
Accounts payable	10,939	8,977
Operating lease liability - current portion	1,112	1,000
Current portion of mortgage payable	389	389
Other accrued liabilities	8,937	9,909
Total current liabilities	21,377	20,275
Long-term debt	40,151	33,037
Mortgage payable, net of current portion	10,989	11,081
Operating lease liability - non-current portion	2,187	2,365
Other non-current liabilities	600	599
Total liabilities	75,304	67,357
Commitments and Contingencies (see note 2)
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; 5,065,518 shares issued and 3,520,646 shares outstanding in 2022 and 2021	12,655	12,655
Additional paid-in capital	12,222	11,930
Retained earnings	70,245	69,873
Treasury stock, at cost - 1,544,872 shares in 2022 and 2021	(15,996)	(15,996)
Accumulated other comprehensive loss:
Translation adjustment	(1,353)	(1,380)
Total stockholders’ equity	77,773	77,082
Total liabilities and stockholders’ equity	$ 153,077	$ 144,439