Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities:
Net income	$ 1,390	$ 1,370
Adjustments to reconcile net income to net cash provided by (used for) operating activities:
Depreciation	191	223
Software amortization	270	0
Stock-based compensation	229	160
Loss on disposal of assets	2	13
Changes in operating assets and liabilities:
Accounts receivable, net	(80)	(63)
Inventories	(285)	487
Prepaid expenses and other current assets	(120)	29
Accounts payable	448	(1,134)
Accrued expenses and other current liabilities	110	(658)
Net cash provided by operating activities	2,155	427
Investing activities:
Capitalized software development costs	(833)	(1,632)
Purchases of property and equipment	(148)	(113)
Net cash used for continuing investing activities	(981)	(1,745)
Net cash provided by discontinued investing activities	0	420
Net cash used for investing activities	(981)	(1,325)
Effect of exchange rate changes on cash	35	(73)
Increase (decrease) in cash and cash equivalents	1,209	(971)
Cash and cash equivalents at beginning of period	1,547	2,648
Cash and cash equivalents at end of period	2,756	1,677
Non-Cash investing and financing activities:
Purchase of property and equipment in accounts payable	85	0
Capitalization of software development costs in accounts payable	$ 38	$ 0