CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities:
Net income (loss)	$ 1,612,000	$ (1,022,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation	26,000	31,000
Changes in allowance for doubtful accounts	11,000	27,000
Stock-based compensation expense	36,000	59,000
Changes in operating assets and liabilities:
Accounts receivable	(2,037,000)	1,096,000
Inventories	1,000	(6,000)
Income tax receivable	(62,000)	(2,000)
Prepaid expenses and other	254,000	941,000
Accounts payable	(1,336,000)	(1,208,000)
Accrued liabilities	(243,000)	(1,170,000)
Accrued income taxes	2,000	19,000
Deferred revenue	(1,273,000)	(240,000)
Net cash used in operating activities	(3,009,000)	(1,475,000)
Investing Activities:
Purchases of property and equipment	(19,000)	(28,000)
Net cash used in investing activities	(19,000)	(28,000)
Financing Activities:
Proceeds from issuance of common stock, net	8,000	39,000
Net cash provided by financing activities	8,000	39,000
Decrease in cash and cash equivalents and restricted cash	(3,020,000)	(1,464,000)
Cash and cash equivalents and restricted cash at beginning of period	14,524,000	3,851,000
Cash and cash equivalents and restricted cash at end of period	11,504,000	2,387,000
Cash paid during the period for income taxes	66,000	5,000
Non-cash financing activity:
Purchase of property and equipment included in accounts payable	$ 7,000	$ 0