Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 287	$ 507
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12	12
Stock-based compensation	30	20
Accounts receivable	(59)	(240)
Inventories, net	(28)	95
Other current assets	232	(102)
Other assets	(2)	3
Accounts payable	428	(213)
Income taxes payable	12	11
Accrued distributor commissions	215	78
Other accrued expenses	(279)	306
Deferred revenue	304	359
Other current liabilities	(134)	24
Net cash provided by operating activities	1,018	860
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment, net	(14)	(18)
Decrease in restricted cash		247
Net cash provided by (used in) investing activities	(14)	229
CASH FLOWS FROM FINANCING ACTIVITIES
Repurchase of common stock	(12)
Net cash used in financing activities	(12)
Effect of exchange rates on cash and cash equivalents	(26)	52
Net increase in cash and cash equivalents	966	1,141
CASH AND CASH EQUIVALENTS, beginning of period	4,207	1,617
CASH AND CASH EQUIVALENTS, end of period	$ 5,173	$ 2,758