Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue:
Revenue	$ 4,954,000	$ 4,334,000
Cost of revenue:
Cost of revenue	841,000	791,000
Gross profit	4,113,000	3,543,000
Operating expenses:
Engineering and product development	1,507,000	1,516,000
Marketing and sales	2,082,000	2,360,000
General and administrative	1,902,000	2,853,000
Amortization and depreciation	63,000	54,000
Total operating expenses	5,554,000	6,783,000
Loss from operations	(1,441,000)	(3,240,000)
Other income/ (expense):
Interest expense	0	0
Interest income	203,000	151,000
Other income (expense), net	20,000	3,000
Other income (expense), net	223,000	154,000
Loss before provision for income taxes	(1,218,000)	(3,086,000)
Provision for income taxes	(4,000)	(5,000)
Loss from continuing operations	(1,222,000)	(3,091,000)
Loss from discontinued operations, net of tax	0	(687,000)
Net loss and comprehensive loss	$ (1,222,000)	$ (3,778,000)
Net loss per share:
Loss from continuing operations, basic and diluted (in dollars per share)	$ (0.05)	$ (0.12)
Loss from discontinued operations, basic and diluted (in dollars per share)	0	(0.03)
Net loss per share (in dollars per share)	$ (0.05)	$ (0.15)
Weighted average number of shares used in computing loss per share:
Basic and diluted (in shares)	26,354	25,261
Product [Member]
Revenue:
Revenue	$ 3,102,000	$ 2,460,000
Cost of revenue:
Cost of revenue	480,000	425,000
Service [Member]
Revenue:
Revenue	1,852,000	1,874,000
Cost of revenue:
Cost of revenue	321,000	345,000
Amortization and Depreciation [Member]
Cost of revenue:
Cost of revenue	$ 40,000	$ 21,000