CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue:
Medical services	$ 16,548,000	$ 15,417,000	$ 17,584,000
Revenue	16,548,000	15,417,000	17,584,000
Costs of revenue:
Maintenance and supplies	1,089,000	1,691,000	1,791,000
Depreciation and amortization	6,139,000	6,171,000	6,309,000
Other direct operating costs	2,605,000	2,276,000	2,540,000
Costs of revenue	9,833,000	10,138,000	10,640,000
Gross Margin	6,715,000	5,279,000	6,944,000
Selling and administrative expense	3,496,000	3,630,000	4,025,000
Interest expense	1,239,000	1,699,000	1,799,000
Operating income (loss)	1,980,000	(50,000)	1,120,000
(Loss) on write down investment in equity securities	(2,140,000)	0	0
(Loss) on sale of subsidiary	0	(572,000)	0
Gain (loss) foreign currency transactions	0	161,000	(1,174,000)
Interest and other income	18,000	28,000	25,000
(Loss) before income taxes	(142,000)	(433,000)	(29,000)
Income tax expense	434,000	129,000	84,000
Net (loss)	(576,000)	(562,000)	(113,000)
Less: net income attributable to non-controlling interests	(946,000)	(390,000)	(199,000)
Net (loss) attributable to American Shared Hospital Services	$ (1,522,000)	$ (952,000)	$ (312,000)
Net (loss) per share attributable to American Shared Hospital Services:
(Loss) per common share- basic	$ (0.28)	$ (0.19)	$ (0.07)
(Loss) per common share- diluted	$ (0.28)	$ (0.19)	$ (0.07)