CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 9,428	$ 6,535
Accounts receivable, net of allowances of $1,038 and $1,459	180,689	190,079
Inventories	48,559	68,942
Prepaid expenses and other current assets	19,361	14,028
Deferred income taxes	3,129	3,004
Total current assets	261,166	282,588
Property and equipment, net	52,039	48,180
Deferred income taxes	192	380
Goodwill	25,510	25,510
Intangible assets, net	5,544	7,098
Other assets	6,117	1,979
Total assets	350,568	365,735
Current liabilities:
Accounts payable	95,244	102,972
Accrued expenses and other current liabilities	27,882	30,371
Deferred revenue	13,647	5,411
Line of credit	63,085	87,630
Notes payable - current	1,601	812
Total current liabilities	201,459	227,196
Notes payable and other long-term liabilities	18,346	16,750
Deferred income taxes	7,259	5,678
Total liabilities	227,064	249,624
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; 14,968,116 and 14,560,801 shares issued; and 11,705,723 and 11,525,459 shares outstanding, respectively	15	14
Additional paid-in capital	115,035	111,952
Treasury stock, at cost: 3,262,393 and 3,035,342 shares, respectively	(15,321)	(13,688)
Accumulated other comprehensive income	2,130	2,511
Retained earnings	21,645	15,322
Total stockholders' equity	123,504	116,111
Total liabilities and stockholders' equity	$ 350,568	$ 365,735