CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and temporary investments	$ 27,459	$ 27,037
Accounts receivable, net of allowance for doubtful accounts of $1,048 and $1,112 at September 30, 2019 and December 31, 2018, respectively	165,789	149,142
Inventories, net	98,072	93,767
Prepaid expenses	4,745	3,272
Total current assets	296,065	273,218
NONCURRENT ASSETS:
Property, plant and equipment, net	91,527	82,850
Right-of-use assets - operating leases	1,407
Goodwill	11,619	11,619
Other assets	504	497
TOTAL ASSETS	401,122	368,184
CURRENT LIABILITIES:
Accounts payable	114,871	98,220
Accrued liabilities	24,792	24,863
Current portion of operating lease obligation	343
Current portion of finance lease obligation	21	20
Long-term obligations due within one year	368	285
Total current liabilities	140,395	123,388
NONCURRENT LIABILITIES
Long-term obligations	10,092	15,475
Noncurrent portion of operating lease obligation	1,061
Noncurrent portion of finance lease obligation	42	58
Deferred income tax liabilities	1,765	1,700
Total liabilities	153,355	140,621
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, 11,400,102 and 11,394,546, outstanding at September 30, 2019 and December 31, 2018, respectively	114	114
Additional paid-in capital	151,055	150,905
Accumulated surplus	102,621	81,354
Accumulated other comprehensive loss	(6,023)	(4,810)
Total shareholders’ equity	247,767	227,563
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	$ 401,122	$ 368,184