CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities:
Net income	$ 1,648,000	$ 62,000
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	14,000	16,000
Changes in allowance for doubtful accounts	20,000	(12,000)
Stock-based compensation expense	22,000	30,000
Changes in operating assets and liabilities:
Accounts receivable	(3,770,000)	(2,206,000)
Inventories	5,000	(12,000)
Income tax receivable	2,000	(1,000)
Prepaid expenses and other	(1,084,000)	606,000
Accounts payable	(440,000)	(654,000)
Accrued liabilities	(138,000)	(774,000)
Accured income taxes	1,000	10,000
Deferred revenue	(126,000)	(445,000)
Net cash used in operating activities	(3,846,000)	(3,380,000)
Investing Activities:
Purchases of property and equipment	(6,000)	(18,000)
Net cash used in investing activities	(6,000)	(18,000)
Financing Activities:
Proceeds from issuance of common stock	8,000	28,000
Net cash provided by financing activities	8,000	28,000
Decrease in cash and cash equivalents and restricted cash	(3,844,000)	(3,370,000)
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	10,680,000	481,000
Non-cash financing activity:
Purchase of property and equiment included in accounts payable	$ 0	$ 5,000