CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,400)	$ (4,778)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,458	2,801
Provision for inventory losses	350	652
Provision for doubtful accounts	8	22
Loss on disposal of assets	28	8
Accounting charge related to stock-based compensation expense	50	97
Deferred income taxes	(95)	(644)
Changes in operating assets and liabilities:
Accounts receivable	31	214
Income tax receivable	(1)	31
Inventories	(102)	1,637
Prepaid expenses and other current assets	(516)	(111)
Other assets	(442)	171
Accounts payable	1,287	146
Accrued expenses and other liabilities	(2,433)	320
Taxes payable	198	(1,341)
Commissions and incentives payable	(2,921)	(2,518)
Deferred revenue	(93)	(155)
Net cash used in operating activities	(3,593)	(3,448)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(106)	(331)
Proceeds from sales of assets	4	0
Change in restricted cash	(351)	(312)
Net cash used in investing activities	(453)	(643)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of fractional shares from reverse stock split	(3)	0
Repayment of capital lease obligations	(387)	(370)
Net cash used in financing activities	(390)	(370)
Effect of currency exchange rate changes on cash and cash equivalents	(1,047)	(88)
Net decrease in cash and cash equivalents	(5,483)	(4,549)
Cash and cash equivalents at the beginning of period	18,057	21,584
Cash and cash equivalents at the end of period	12,574	17,035
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes received (paid), net	(255)	(166)
Interest paid on capital leases	$ 46	$ 50