Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 5,221	$ 7,971
Accounts receivable, net of allowance of $150 and $110, respectively	2,858	3,170
Inventory	2,648	2,621
Prefunded insurance premiums from financing	0	612
Prepaid expenses and other current assets	1,109	601
Total current assets	11,836	14,975
Fixed assets, net of accumulated depreciation of $349 and $309, respectively	154	127
Total assets	11,990	15,102
Current liabilities:
Accounts payable	1,039	1,070
Accrued expenses	1,988	1,643
Insurance premium financing	0	612
Taxes payable	3	10
Total current liabilities	3,030	3,335
Total liabilities	3,030	3,335
Shareholders’ equity:
Authorized — 800,000,000 issued and outstanding shares — 101,258,135 shares and 100,263,135 shares, respectively	90,187	89,680
Accumulated other comprehensive income	294	287
Accumulated deficit	(81,521)	(78,200)
Total shareholders’ equity	8,960	11,767
Total liabilities and shareholders’ equity	$ 11,990	$ 15,102