Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 4,272	$ 6,822
Accounts receivable, less allowance of $790 in 2020 and $523 in 2019	27,413	25,485
Inventories	36,250	39,261
Prepaid expenses and other current assets	1,926	1,578
Total current assets	69,861	73,146
Property, plant and equipment:
Land	1,420	1,420
Buildings	10,398	10,096
Machinery and equipment	19,357	19,112
Total property, plant and equipment	31,175	30,628
Less: accumulated depreciation	17,078	16,592
Net property, plant and equipment	14,097	14,036
Operating lease right-of-use asset, net	2,711	2,989
Goodwill	4,696	4,696
Intangible assets, less accumulated amortization	16,668	15,793
Other assets	89	89
Total assets	108,122	110,749
Current liabilities:
Accounts payable	5,186	6,693
Operating lease liability - current portion	1,003	1,047
Current portion of mortgage payable	267	267
Other accrued liabilities	6,955	8,576
Total current liabilities	13,411	16,583
Long-term debt	33,853	33,240
Mortgage payable, net of current portion	3,111	3,178
Operating lease liability - non-current portion	1,765	1,961
Other non-current liabilities	158	83
Total liabilities	52,298	55,045
Commitments and Contingencies
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,838,071 shares in 2020 and 2019, including treasury stock	12,094	12,094
Additional paid-in capital	8,048	8,262
Retained earnings	52,448	51,571
Treasury stock, at cost - 1,497,957 shares in 2020 and 1,487,238 in 2019	(14,449)	(14,235)
Accumulated other comprehensive loss:
Minimum pension liability	(522)	(522)
Translation adjustment	(1,795)	(1,466)
Total accumulated other comprehensive loss	(2,317)	(1,988)
Total stockholders’ equity	55,824	55,704
Total liabilities and stockholders’ equity	$ 108,122	$ 110,749