CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,388)	$ (20,659)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,755	10,697
Provision for inventory losses	1,766	3,660
Provision for doubtful accounts	8	61
Loss on disposal of assets	102	136
Accounting charge related to stock-based compensation expense	209	356
Deferred income taxes	583	(380)
Changes in operating assets and liabilities:
Accounts receivable	(40)	59
Income tax receivable	4	29
Inventories	1,065	2,539
Prepaid expenses and other current assets	610	1,883
Other assets	(144)	240
Accounts payable	(646)	(730)
Accrued expenses and other liabilities	(7,314)	565
Taxes payable	508	(347)
Commissions and incentives payable	(1,186)	(622)
Deferred revenue	(84)	(361)
Net cash used in operating activities	(1,192)	(2,874)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(379)	(777)
Proceeds from sales of assets	111	74
Change in restricted cash	(336)	80
Net cash used in investing activities	(604)	(623)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of common stock	0	(5)
Repurchase of fractional shares from reverse stock split	(3)	0
Repayment of capital lease obligations	(1,074)	(1,160)
Net cash used in financing activities	(1,077)	(1,165)
Effect of currency exchange rate changes on cash and cash equivalents	(807)	1,135
Net decrease in cash and cash equivalents	(3,680)	(3,527)
Cash and cash equivalents at the beginning of the year	18,057	21,584
Cash and cash equivalents at the end of the year	14,377	18,057
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	876	480
Interest paid on capital leases	171	167
Summary of non-cash investing and financing activities:
Assets acquired through capital lease	57	787
Note receivable, net relating to sale of property and equipment	$ 237	$ 0