Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 42,659	$ 3,309
Receivables (less allowance for doubtful accounts at March 31, 2020, and December 31, 2019 - $24)	52,443	40,931
Inventory	142,774	136,931
Prepaid expenses	4,387	2,048
Refundable income taxes	0	987
Total current assets	242,263	184,206
Property, plant, and equipment	317,159	313,958
Less accumulated depreciation and amortization	(188,488)	(185,539)
Property, plant, and equipment, net	128,671	128,419
Operating lease right-of-use assets, net	6,295	6,490
Other assets	5,173	3,482
Total assets	382,402	322,597
Current Liabilities
Current maturities of long-term debt	404	401
Accounts payable	28,456	29,511
Accrued expenses	10,398	9,383
Income taxes payable	2,054	0
Total current liabilities	41,312	39,295
Long-term Debt, Excluding Current Maturities	40,561	40,658
Credit agreement - revolver	53,590	1
Long-term operating lease liabilities	4,058	4,267
Deferred credits	1,152	1,233
Other noncurrent liabilities	4,358	4,170
Deferred income taxes	1,806	1,929
Total liabilities	146,837	91,553
Commitments and Contingencies
Capital stock
Preferred, 5% non-cumulative; $10 par value; authorized 1,000 shares; issued and outstanding 437 shares	4	4
Common stock
No par value; authorized 40,000,000 shares; issued 18,115,965 shares at March 31, 2020 and December 31, 2019; and 16,895,522 and 17,028,125 shares outstanding at March 31, 2020 and December 31, 2019, respectively	6,715	6,715
Additional paid-in capital	14,364	14,029
Retained earnings	238,567	230,784
Accumulated other comprehensive loss	(252)	(246)
Treasury stock, at cost, 1,220,443 and 1,087,840 at March 31, 2020 and December 31, 2019, respectively	(23,833)	(20,242)
Total stockholders’ equity	235,565	231,044
Total liabilities and stockholders’ equity	$ 382,402	$ 322,597