CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 4,242	$ (464)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	891	807
Provision for inventory losses	345	1,630
Provision for doubtful accounts	194	186
Loss on disposal of assets	8	37
Accounting charge related to stock-based compensation expense	301	302
Tax benefit from exercise of stock options	(16)	0
Deferred income taxes	(139)	221
Changes in operating assets and liabilities:
Accounts receivable	(55)	16
Income tax receivable	(11)	(16)
Inventories	(4,242)	(896)
Prepaid expenses and other current assets	962	(79)
Other assets	(97)	(303)
Deferred commissions	351	(1,941)
Accounts payable	2,164	65
Customer deposits	0	3,075
Accrued expenses and other liabilities	177	763
Taxes payable	(17)	1,101
Commissions and incentives payable	910	(1,924)
Deferred revenue	(1,038)	4,825
Change in restricted cash	(449)	(18)
Net cash provided by operating activities	4,481	7,387
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(1,174)	(1,193)
Proceeds from sale of assets	0	8
Net cash used in investing activities	(1,174)	(1,185)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock options exercised	29	70
Tax benefit from exercise of stock options	16	0
Repayment of capital lease obligations	(981)	(680)
Net cash used in financing activities	(936)	(610)
Effect of currency exchange rate changes on cash and cash equivalents	293	491
Net increase in cash and cash equivalents	2,664	6,083
Cash and cash equivalents at the beginning of the period	27,999	20,395
Cash and cash equivalents at the end of the period	30,663	26,478
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	3,959	1,259
Interest paid on capital leases	47	52
Assets acquired through financing arrangements	$ 1,250	$ 1,562