CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and temporary investments	$ 29,292	$ 54,332
Accounts receivable, net of allowance for credit losses of $1,200 and $1,155 at March 31, 2022 and December 31, 2021, respectively	193,884	153,977
Inventories, net	124,348	114,908
Prepaid expenses	8,743	5,751
Total current assets	356,267	328,968
NONCURRENT ASSETS:
Property, plant and equipment, net	97,787	96,496
Right-of-use assets - operating leases	1,167	1,231
Goodwill	11,619	11,619
Other assets	641	533
TOTAL ASSETS	467,481	438,847
CURRENT LIABILITIES:
Accounts payable	139,311	119,029
Accrued liabilities	23,016	24,866
Current portion of operating lease obligation	349	361
Current portion of finance lease obligation	9	15
Total current liabilities	162,685	144,271
NONCURRENT LIABILITIES:
Long-term obligations	10,000
Noncurrent portion of operating lease obligation	816	870
Deferred income tax liabilities	5,134	5,170
Total liabilities	178,635	150,311
COMMITMENTS AND CONTINGENCIES (Note 7)
SHAREHOLDERS' EQUITY:
Preferred stock, $0.01 par value; 5,000,000 shares authorized, none issued or outstanding
Common stock, $0.01 par value; 100,000,000 shares authorized, 11,416,716 and 11,410,728 outstanding at March 31, 2022 and December 31, 2021, respectively	114	114
Additional paid-in capital	151,724	151,449
Accumulated surplus	141,928	141,918
Accumulated other comprehensive loss	(4,920)	(4,945)
Total shareholders' equity	288,846	288,536
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 467,481	$ 438,847