CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 1,428	$ (3,855)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	1,225	3,379
Provision for inventory losses	207	680
Provision for doubtful accounts	129	20
Loss on disposal of assets	(1)	54
Accounting charge related to stock-based compensation expense	96	124
Deferred income taxes	(134)	(116)
Changes in operating assets and liabilities:
Accounts receivable	(62)	92
Income tax receivable	865	(4)
Inventories	643	(1,071)
Prepaid expenses and other current assets	88	532
Other assets	38	(327)
Accounts payable	1,614	1,921
Accrued expenses and other liabilities	849	(3,228)
Taxes payable	(83)	(111)
Commissions and incentives payable	(916)	(2,732)
Deferred revenue	27	248
Net cash provided by (used in) operating activities	6,013	(4,394)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(252)	(235)
Proceeds from sales of assets	0	28
Change in restricted cash	(746)	(322)
Net cash used in investing activities	(998)	(529)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of fractional shares from reverse stock split	0	(3)
Repayment of capital lease obligations	(787)	(628)
Net cash used in financing activities	(787)	(631)
Effect of currency exchange rate changes on cash and cash equivalents	(818)	(400)
Net increase (decrease) in cash and cash equivalents	3,410	(5,954)
Cash and cash equivalents at the beginning of the period	14,377	18,057
Cash and cash equivalents at the end of the period	17,787	12,103
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	(850)	(566)
Interest paid on capital leases	(74)	(80)
Summary of non-cash investing and financing activities
Assets acquired through capital leases	$ 685	$ 225