CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 5,106,000	$ 10,091,000
Accounts receivable, net	2,147,000	1,178,000
Inventories	2,940,000	2,112,000
Prepaid expenses and other current assets	252,000	321,000
Total current assets	10,445,000	13,702,000
Property, plant and equipment, net	337,000	184,000
Intangible assets, net	324,000	76,000
Goodwill	4,545,000	650,000
Right-of-use assets	225,000	172,000
Deferred tax assets	129,000	134,000
Other assets	74,000	65,000
Total assets	16,079,000	14,983,000
Current liabilities
Accounts payable	1,090,000	273,000
Accrued liabilities	476,000	568,000
Lease liabilities, current	157,000	131,000
Accrued income taxes	423,000	117,000
Total current liabilities	2,146,000	1,089,000
Long-term liabilities
Lease liabilities, long term	77,000	46,000
Total long-term liabilities	77,000	46,000
Total liabilities	2,223,000	1,135,000
Commitments and contingencies
Stockholders' equity
Preferred stock, $0.01 par value: 1,000 shares authorized, 200 shares of Series A Convertible Preferred Stock issued and outstanding at both June 30, 2023 and December 31, 2022 ($5.0 million liquidation preference)	2,000	2,000
Common stock, $0.001 par value: 30,000 shares authorized, 6,591 shares issued and outstanding at June 30, 2023; 6,610 shares issued and outstanding at December 31, 2022	7,000	7,000
Additional paid-in-capital	62,440,000	62,617,000
Accumulated other comprehensive income (loss)	97,000	(98,000)
Accumulated deficit	(48,690,000)	(48,680,000)
Total stockholders' equity	13,856,000	13,848,000
Total liabilities and stockholders' equity	$ 16,079,000	$ 14,983,000