Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2023

Summary of Significant Accounting Policies

Schdule of Cash And Cash Equivalents And Restricted Cash

	March 31,		December 31,
	2023		2022
Cash and cash equivalents	$	10,595,000	$	14,439,000
Restricted cash		85,000		85,000
Total cash, cash equivalents and restricted cash	$	10,680,000	$	14,524,000

Schedule Of Property And Equipment

	March 31,			December 31,
	2023			2022
Property and Equipment:
Production tooling, machinery and equipment	$	14,000		$	27,000
Office furniture and fixtures		94,000			95,000
Computer equipment and software		580,000			771,000
Leasehold improvements		19,000			19,000
Construction in-progress		6,000			3,000
		713,000			915,000
Accumulated depreciation and amortization		(649,000	)		(844,000	)
Net Property and Equipment	$	64,000		$	71,000

Schdule of Weighted Average Common Shares Outstanding

Three months ended March 31	2023		2022
Denominator for basic net income per share - weighted average shares		1,798,000		1,786,000
Effect of dilutive securities:
Stock options, restricted stock and restricted stock units		4,000		8,000
Denominator for diluted net income per share - weighted average shares		1,802,000		1,794,000