CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,855)	$ (10,028)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,379	5,488
Provision for inventory losses	680	1,744
Provision for doubtful accounts	20	42
Loss on disposal of assets	54	68
Accounting charge related to stock-based compensation expense	124	202
Deferred income taxes	(116)	(401)
Changes in operating assets and liabilities:
Accounts receivable	92	244
Income tax receivable	(4)	24
Inventories	(1,071)	3,647
Prepaid expenses and other current assets	532	(645)
Other assets	(327)	180
Accounts payable	1,921	(504)
Accrued expenses and other liabilities	(3,228)	(116)
Taxes payable	(111)	(1,738)
Commissions and incentives payable	(2,732)	(1,266)
Deferred revenue	248	(11)
Net cash used in operating activities	(4,394)	(3,070)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(235)	(476)
Proceeds from sales of assets	28	2
Change in restricted cash	(322)	65
Net cash used in investing activities	(529)	(409)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of fractional shares from reverse stock split	(3)	0
Repayment of capital lease obligations	(628)	(642)
Net cash used in financing activities	(631)	(642)
Effect of currency exchange rate changes on cash and cash equivalents	(400)	(142)
Net decrease in cash and cash equivalents	(5,954)	(4,263)
Cash and cash equivalents at the beginning of the period	18,057	21,584
Cash and cash equivalents at the end of the period	12,103	17,321
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	(566)	(292)
Interest paid on capital leases	$ 80	$ 96