Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 1,969	$ 1,213
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	63	46
Stock based compensation	90	55
Changes in operating assets and liabilities:
Accounts receivable	(170)	(35)
Inventories	(227)	122
Prepaid expenses and other current assets	158	129
Other assets	(32)	(8)
Accounts payable	(154)	(169)
Accrued liabilities	18	(14)
Accrued income taxes	329
Deferred revenue	(23)	(22)
Net cash provided by operations	2,021	1,317
Cash flows from investing activities:
Purchases of property and equipment	(239)	(83)
Costs of intangibles	(30)
Net cash used in investing activities	(269)	(83)
Effect of exchange rate changes on cash and cash equivalents	(25)	(1)
Net increase in cash and cash equivalents	1,727	1,233
Cash and cash equivalents, beginning of year	4,435	2,386
Cash and cash equivalents, end of year	6,162	3,619
Supplemental disclosure of cash flow information:
Income taxes paid	$ 206	$ 1