Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 13,083,000	$ 12,335,000
Restricted cash	118,000	118,000
Accounts receivable, net of allowance for doubtful accounts of $100,000 at March 31, 2023 and at December 31, 2022	4,369,000	3,801,000
Other receivables	404,000	327,000
Prepaid maintenance	816,000	1,245,000
Prepaid expenses and other current assets	781,000	897,000
Total current assets	19,571,000	18,723,000
Property and equipment, net	22,296,000	23,467,000
Land	19,000	19,000
Goodwill	1,265,000	1,265,000
Right of use assets, net	232,000	317,000
Intangible asset	78,000	78,000
Other assets	86,000	87,000
Total assets	43,547,000	43,956,000
Current liabilities:
Accounts payable	254,000	230,000
Employee compensation and benefits	526,000	735,000
Other accrued liabilities	1,478,000	1,544,000
Asset retirement obligations, related party	360,000	360,000
Income taxes payable	255,000	255,000
Current portion deferred revenue	473,000	0
Current portion of lease liabilities	215,000	292,000
Current portion of long-term debt, net	1,262,000	1,262,000
Total current liabilities	5,254,000	5,175,000
Long-term lease liabilities, less current portion	36,000	59,000
Long-term debt, net, less current portion	11,493,000	12,205,000
Deferred revenue, less current portion	53,000	70,000
Deferred income taxes	890,000	822,000
Total liabilities	17,726,000	18,331,000
Commitments (see Note 9)
Shareholders' equity:
Common stock, no par value (10,000,000 authorized; Issued and outstanding shares - 6,184,000 at March 31, 2023 and at December 31, 2022)	10,763,000	10,763,000
Additional paid-in capital	7,939,000	7,843,000
Retained earnings	3,207,000	3,019,000
Total equity-American Shared Hospital Services	21,909,000	21,625,000
Non-controlling interests in subsidiaries	3,912,000	4,000,000
Total shareholders' equity	25,821,000	25,625,000
Total liabilities and shareholders' equity	43,547,000	43,956,000
Related Party [Member]
Current liabilities:
Related party liabilities	$ 431,000	$ 497,000