Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 6,032	$ 9,113
Accounts receivable, net of allowances of $1,714 and $2,181	463,487	439,658
Inventories	61,617	103,471
Prepaid expenses and other current assets	8,535	9,333
Total current assets	539,671	561,575
Property and equipment, net	69,286	71,551
Goodwill	87,226	87,768
Intangible assets, net	8,103	11,090
Deferred income taxes	1,483	1,759
Investment and other assets	15,181	6,509
Total assets	720,950	740,252
Current liabilities:
Accounts payable	357,212	289,201
Accrued expenses and other current liabilities	63,213	55,040
Deferred revenue	7,966	7,913
Line of credit	88,399	213,778
Notes payable - current	3,283	3,362
Total current liabilities	520,073	569,294
Notes payable	29,507	32,892
Other long-term liabilities	16,583	7,338
Deferred income taxes	1,894	3,102
Total liabilities	568,057	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; 17,573,700 and 17,170,273 shares issued; 12,183,048 and 11,779,621 shares outstanding	18	17
Additional paid-in capital	138,703	134,646
Treasury stock, at cost: 5,390,652 shares	(38,536)	(38,536)
Accumulated other comprehensive income	(1,313)	251
Retained earnings	54,021	31,248
Total stockholders' equity	152,893	127,626
Total liabilities and stockholders' equity	$ 720,950	$ 740,252