CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (464)	$ 1,428
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	807	1,225
Provision for inventory losses	1,630	207
Provision for doubtful accounts	186	129
Loss on disposal of assets	37	(1)
Accounting charge related to stock-based compensation expense	302	96
Deferred income taxes	221	(134)
Changes in operating assets and liabilities:
Accounts receivable	16	(62)
Income tax receivable	(16)	865
Inventories	(896)	643
Prepaid expenses and other current assets	(79)	88
Other assets	(303)	97
Deferred commissions	(1,941)	(59)
Accounts payable	65	1,301
Customer deposits	3,075	313
Accrued expenses and other liabilities	763	849
Taxes payable	1,101	(83)
Commissions and incentives payable	(1,924)	(916)
Deferred revenue	4,825	27
Change in restricted cash	(18)	(746)
Net cash provided by operating activities	7,387	5,267
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(1,193)	(252)
Proceeds from sale of assets	8	0
Net cash used in investing activities	(1,185)	(252)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock options exercised	70	0
Repayment of capital lease obligation	(680)	(787)
Net cash used in financing activities	(610)	(787)
Effect of currency exchange rate changes on cash and cash equivalents	491	(818)
Net increase in cash and cash equivalents	6,083	3,410
Cash and cash equivalents at the beginning of the period	20,395	14,377
Cash and cash equivalents at the end of the period	26,478	17,787
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	(1,259)	(850)
Interest paid on capital leases	(52)	(74)
Summary of non-cash investing and financing activities:
Assets acquired through financing arrangements	$ 1,562	$ 685