CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 7,402	$ 9,992
Accounts receivable, net of allowances of $826 and $1,413	177,381	196,078
Inventories	71,647	116,961
Prepaid expenses and other current assets	10,394	14,893
Deferred income taxes	2,517	2,583
Total current assets	269,341	340,507
Property and equipment, net	64,749	56,607
Deferred income taxes	172	225
Goodwill	25,510	25,510
Intangible assets, net	5,008	5,150
Other assets	7,331	6,823
Total assets	372,111	434,822
Current liabilities:
Accounts payable	82,978	131,030
Accrued expenses and other current liabilities	29,069	30,760
Deferred revenue	4,255	9,456
Line of credit	90,314	110,499
Notes payable - current	2,164	1,167
Total current liabilities	208,780	282,912
Notes payable and other long-term liabilities	23,704	18,247
Deferred income taxes	7,876	7,901
Total liabilities	240,360	309,060
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; none issued and outstanding
Common stock, $0.001 par value; 30,000,000 shares authorized; 15,587,046 and 15,053,067 shares issued; and 12,324,653 and 11,790,674 shares outstanding	16	15
Additional paid-in capital	119,281	115,801
Treasury stock, at cost: 3,262,393 shares	(15,321)	(15,321)
Accumulated other comprehensive income	1,437	1,816
Retained earnings	26,338	23,451
Total stockholders' equity	131,751	125,762
Total liabilities and stockholders' equity	$ 372,111	$ 434,822