Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 40,314,000	$ 21,507,000
Marketable securities	25,000	16,585,000
Accounts receivable, net of reserves of $58 and $86, respectively	373,000	543,000
Inventories, net	226,000	265,000
Prepaid expenses and other current assets	266,000	440,000
Total Current Assets	41,204,000	39,340,000
Net property, plant, and equipment	0	1,000
Right-of-use lease assets	87,000	132,000
Intangible assets, net	72,000	78,000
Deferred income tax assets	216,000	234,000
Total Assets	41,579,000	39,785,000
LIABILITIES AND EQUITY
Common stock, $0.01 par value - 30,000,000 shares authorized; 5,434,521 shares issued and 5,352,937 shares outstanding at June 30, 2023 and December 31, 2022	53,000	53,000
Additional paid-in capital	46,346,000	46,346,000
Retained earnings	(7,302,000)	(7,329,000)
Treasury stock, 81,584 shares held in treasury at cost at June 30, 2023 and December 31, 2022	(580,000)	(580,000)
Stockholders' Equity	38,517,000	38,490,000
Non-controlling interests	1,872,000	0
Total Equity	40,389,000	38,490,000
Total liabilities and equity	41,579,000	39,785,000
Current Liabilities:
Accounts payable	58,000	310,000
Accrued compensation and commissions	238,000	170,000
Income taxes payable	0	1,000
Other accrued expenses	207,000	106,000
Total Current Liabilities	503,000	587,000
Other liabilities	687,000	708,000
Total Liabilities	1,190,000	1,295,000
Contingencies (Note M)