Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating activities:
Net income	$ 955,000	$ 494,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	99,000	126,000
Software amortization	299,000	231,000
Stock-based compensation	104,000	123,000
Loss on disposal of assets	0	1,000
Changes in operating assets and liabilities:
Accounts receivable, net	282,000	365,000
Inventories	608,000	(313,000)
Prepaid expenses and other current assets	(53,000)	(136,000)
Accounts payable	(451,000)	206,000
Accrued expenses and other current liabilities	(900,000)	(396,000)
Other (Lease asset and obligations)	1,000	0
Net cash provided by operating activities	944,000	701,000
Investing activities:
Capitalized software development costs	(762,000)	(102,000)
Purchases of property and equipment	(160,000)	(79,000)
Net cash used for investing activities	(922,000)	(181,000)
Financing activities:
Stock for tax withholding	(21,000)	(10,000)
Proceeds from stock options exercised	4,000	0
Net cash used for financing activities	(17,000)	(10,000)
Effect of exchange rate changes on cash	(12,000)	(10,000)
Increase in cash and cash equivalents	(7,000)	500,000
Cash and cash equivalents at beginning of period	4,236,000	3,190,000
Cash and cash equivalents at end of period	4,229,000	3,690,000
Non-Cash investing and financing activities:
Purchase of property and equipment in accounts payable	$ 5,000	$ 2,000