CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and temporary investments	$ 43,094	$ 26,072
Accounts receivable, net of allowance for doubtful accounts of $1,150 and $1,106 at March 31, 2020 and December 31, 2019, respectively	168,900	168,619
Inventories, net	92,641	87,965
Prepaid expenses	7,720	4,796
Total current assets	312,355	287,452
NONCURRENT ASSETS:
Property, plant and equipment, net	91,984	90,735
Right-of-use assets - operating leases	1,546	1,640
Right-of-use assets - finance leases	52	57
Goodwill	11,619	11,619
Other assets	382	521
TOTAL ASSETS	417,886	391,967
CURRENT LIABILITIES:
Accounts payable	96,787	95,750
Accrued liabilities	24,414	27,813
Current portion of operating lease obligation	315	330
Current portion of finance lease obligation	21	21
Long-term obligations due within one year	276	368
Total current liabilities	121,813	124,282
NONCURRENT LIABILITIES
Long-term obligations	29,998	4,998
Noncurrent portion of operating lease obligation	1,229	1,307
Noncurrent portion of finance lease obligation	32	37
Deferred income tax liabilities	3,387	3,416
Total liabilities	156,459	134,040
COMMITMENTS AND CONTINGENCIES (Notes 6 and 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, 11,405,468 and 11,400,102, outstanding at March 31, 2020 and December 31, 2019, respectively	114	114
Additional paid-in capital	151,249	151,055
Accumulated surplus	115,639	112,261
Accumulated other comprehensive loss	(5,575)	(5,503)
Total shareholders’ equity	261,427	257,927
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 417,886	$ 391,967