Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 8,549	$ 9,113
Accounts receivable, net of allowances of $2,228 and $2,181	451,485	439,658
Inventories	63,989	103,471
Prepaid expenses and other current assets	8,989	9,333
Total current assets	533,012	561,575
Property and equipment, net	69,014	71,551
Goodwill	87,505	87,768
Intangible assets, net	8,848	11,090
Deferred income taxes	1,274	1,759
Investment and other assets	4,775	6,509
Total assets	704,428	740,252
Current liabilities:
Accounts payable	312,079	289,201
Accrued expenses and other current liabilities	58,521	55,040
Deferred revenue	8,077	7,913
Line of credit	134,517	213,778
Notes payable - current	3,284	3,362
Total current liabilities	516,478	569,294
Notes payable	30,330	32,892
Other long-term liabilities	6,671	7,338
Deferred income taxes	4,051	3,102
Total liabilities	557,530	612,626
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; 17,534,250 and 17,170,273 shares issued; 12,143,598 and 11,779,621 shares outstanding	18	17
Additional paid-in capital	137,785	134,646
Treasury stock, at cost: 5,390,652 shares	(38,536)	(38,536)
Accumulated other comprehensive (loss) income	(282)	251
Retained earnings	47,913	31,248
Total stockholders' equity	146,898	127,626
Total liabilities and stockholders' equity	$ 704,428	$ 740,252