Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,031	$ 6,822
Accounts receivable, less allowance of $1,428 in 2020 and $523 in 2019	32,154	25,485
Inventories	48,351	39,261
Prepaid expenses and other current assets	2,142	1,578
Total current assets	85,678	73,146
Property, plant and equipment:
Land	1,426	1,420
Buildings	11,142	10,096
Machinery and equipment	20,117	19,112
Total property, plant and equipment	32,685	30,628
Less: accumulated depreciation	18,344	16,592
Net property, plant and equipment	14,341	14,036
Operating lease right-of-use asset, net	2,190	2,989
Goodwill	4,696	4,696
Intangible assets, less accumulated amortization	16,072	15,793
Other assets	40	89
Total assets	123,017	110,749
Current liabilities:
Accounts payable	9,251	6,693
Operating lease liability - current portion	847	1,047
Current portion of mortgage payable	267	267
Other accrued liabilities	13,376	8,576
Total current liabilities	23,741	16,583
Long-term debt	30,703	33,240
Mortgage payable, net of current portion	2,978	3,178
Operating lease liability - non-current portion	1,422	1,961
Other non-current liabilities	69	83
Total liabilities	62,421	55,045
Commitments and Contingencies (see note 2)
STOCKHOLDERS' EQUITY
Common stock, par value $2.50: authorized 8,000,000 shares; issued - 4,840,571 shares in 2020 and 2019, including treasury stock	12,101	12,094
Additional paid-in capital	8,438	8,262
Retained earnings	56,425	51,571
Treasury stock, at cost - 1,501,658 shares in 2020 and 1,487,238 in 2019	(14,522)	(14,235)
Accumulated other comprehensive loss:
Minimum pension liability	(522)	(522)
Translation adjustment	(1,324)	(1,466)
Total accumulated other comprehensive loss	(1,846)	(1,988)
Total stockholders’ equity	60,596	55,704
Total liabilities and stockholders’ equity	123,017	$ 110,749
PPP Loan
Current liabilities:
Long-term debt	$ 3,508