CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash Flows From Operating Activities
Net income	$ 2,887	$ 1,236
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,760	2,965
Provision for deferred income taxes	130	830
Excess tax benefit related to stock option exercises	(205)	(27)
Non-cash stock-based compensation	331	366
Change in operating assets and liabilities:
Accounts receivable	18,697	2,143
Inventories	45,314	(1,309)
Prepaid expenses and other current assets	4,360	2,533
Other assets	(647)	(4,748)
Accounts payable	(52,110)	13,152
Accrued expenses and other current liabilities	1,621	(3,516)
Deferred revenue	(5,201)	(1,519)
Total adjustments	15,050	10,870
Net cash provided by operating activities	17,937	12,106
Cash Flows From Investing Activities
Purchases of property and equipment	(3,973)	(2,200)
Net cash used in investing activities	(3,973)	(2,200)
Cash Flows From Financing Activities
Net payments under line of credit	(20,185)	(12,075)
Payments for deferred financing costs		(480)
Capital lease proceeds		62
Borrowings under notes payable	73	2,393
Payments under notes payable	(322)	(203)
Change in book overdraft	1,471	1,198
Payments of obligations under capital lease	(798)	(680)
Proceeds from stock issued under stock option plans	3,151	734
Excess tax benefit related to stock option exercises	205	27
Common shares repurchased and held in treasury		(1,558)
Net cash used in financing activities	(16,405)	(10,582)
Effect of foreign currency on cash flow	(149)	64
Net change in cash and cash equivalents	(2,590)	(612)
Cash and cash equivalents at beginning of the period	9,992	6,535
Cash and cash equivalents at end of the period	7,402	5,923
Supplemental Cash Flow Information
Interest paid	937	855
Income taxes paid	2,379	190
Supplemental Non-Cash Investing and Financing Activities
Financed purchase of property and equipment	6,813	184
Deferred financing costs		$ 253