STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,616,000)	$ (2,765,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	387,000	283,000
Loss on impairment of long-lived assets	0	10,000
Loss on disposal of property and equipment	0	7,000
Stock-based compensation expense	1,145,000	1,781,000
Amortization of deferred commissions	36,000	47,000
Amortization of right of use assets	136,000	54,000
Provision for accounts receivable	34,000	9,000
Changes in operating assets and liabilities:
Accounts receivable	745,000	1,164,000
Prepaid expenses and other assets	(236,000)	(273,000)
Accounts payable and accruals	141,000	532,000
Operating lease liability	(111,000)	(56,000)
Deferred revenue	(609,000)	(141,000)
Net cash provided by (used in) operating activities	(1,948,000)	652,000
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment	(22,000)	0
Software development costs	(241,000)	(246,000)
Patent costs	(17,000)	(50,000)
Payment for acquisition, net of cash received	(4,734,000)	0
Net cash used in investing activities	(5,014,000)	(296,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from common stock offering, net of transaction costs	0	16,621,000
Proceeds from exercise of options and warrants	0	148,000
Payments related to settlement of employee shared-based awards	(25,000)	(373,000)
Repayments of finance leases	(17,000)	(11,000)
Net cash provided by (used in) financing activities	(42,000)	16,385,000
Net increase (decrease) in cash	(7,004,000)	16,741,000
Cash-beginning of period	18,966,000	9,095,000
Cash-end of period	11,962,000	25,836,000
Supplemental disclosures of noncash activities:
Right-of-use assets and operating lease obligations recognized during the period	$ 876,000	$ 0