CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue:
Medical services	$ 17,584,000	$ 17,048,000	$ 17,237,000
Equipment sales	0	0	4,984,000
Revenue	17,584,000	17,048,000	22,221,000
Costs of revenue:
Maintenance and supplies	1,791,000	1,529,000	1,484,000
Depreciation and amortization	6,309,000	5,965,000	6,127,000
Other direct operating costs	2,540,000	2,624,000	2,467,000
Cost of equipment sales	0	0	4,146,000
Costs of revenue	10,640,000	10,118,000	14,224,000
Gross margin	6,944,000	6,930,000	7,997,000
Selling and administrative expense	4,025,000	4,045,000	4,041,000
Interest expense	1,799,000	2,155,000	2,367,000
Operating income	1,120,000	730,000	1,589,000
Gain(loss) foreign currency transactions	(1,174,000)	132,000	(27,000)
Interest and other income	25,000	58,000	135,000
Income(loss) before income taxes	(29,000)	920,000	1,697,000
Income tax expense	84,000	107,000	208,000
Net income (loss)	(113,000)	813,000	1,489,000
Less: net income attributable to non-controlling interests	(199,000)	(775,000)	(983,000)
Net income(loss) attributable to American Shared Hospital Services	$ (312,000)	$ 38,000	$ 506,000
Net income(loss) per share attributable to American Shared Hospital Services:
Earnings(loss) per common share- basic (in dollars per share)	$ (0.07)	$ 0.01	$ 0.11
Earnings(loss) per common share- diluted (in dollars per share)	$ (0.07)	$ 0.01	$ 0.11