CONSOLIDATED STATEMENTS OF CASH FLOWS - (UNAUDITED) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 627	$ (1,642)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	1,699	4,082
Provision for inventory losses	318	928
Provision for doubtful accounts	222	30
(Loss) proceeds on disposal of assets	(1)	63
Accounting charge related to stock-based compensation expense	137	167
Deferred income taxes	(203)	(63)
Changes in operating assets and liabilities:
Accounts receivable	(313)	(41)
Income tax receivable	702	(4)
Inventories	151	(1,106)
Prepaid expenses and other current assets	(410)	630
Other assets	(1,495)	(1,125)
Accounts payable	2,645	72
Accrued expenses and other liabilities	947	(3,394)
Taxes payable	(1,933)	(1,046)
Commissions and incentives payable	1,364	(1,272)
Deferred revenue	3,758	613
Net cash provided by (used in) operating activities	8,215	(3,108)
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of property and equipment	(524)	(273)
Proceeds from sales of assets	1	86
Change in restricted cash	(1,238)	(331)
Net cash used in investing activities	(1,761)	(518)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from stock options exercised	22	0
Repurchase of fractional shares from reverse stock split	0	(3)
Repayment of capital lease obligations	(1,157)	(813)
Net cash used in financing activities	(1,135)	(816)
Effect of currency exchange rate changes on cash and cash equivalents	(255)	(834)
Net increase (decrease) in cash and cash equivalents	5,064	(5,276)
Cash and cash equivalents at the beginning of the period	14,377	18,057
Cash and cash equivalents at the end of the period	19,441	12,781
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes paid, net	(2,187)	(843)
Interest paid on capital leases	(108)	(127)
Summary of non-cash investing and financing activities:
Note receivable, net relating to sale of property and equipment	195	237
Assets acquired through financing	$ 685