Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 21,472	$ 22,241
Accounts receivable, net of allowance for doubtful accounts of $3,946 in 2017 and $4,008 in 2016	74,694	77,496
Prepaid expenses	8,428	9,568
Other current assets	3,917	3,853
Total current assets	108,511	113,158
Plant, property and equipment, net	194,334	204,814
Goodwill	119,130	119,130
Other intangible assets, net	195,699	198,977
Other assets	27,968	23,785
Total assets	645,642	659,864
Current liabilities:
Accounts payable	27,071	28,185
Accrued compensation and related expenses	19,026	24,895
Accrued interest payable	3,205	3,308
Current portion of long-term debt	19,519	17,298
Current portion of obligations under capital leases	3,397	3,354
Other accrued liabilities	27,656	29,323
Total current liabilities	99,874	106,363
Long-term debt, net of current portion	508,513	515,407
Obligations under capital leases, net of current portion	11,820	12,686
Deferred income taxes	25,732	25,818
Other liabilities	9,646	9,093
Total liabilities	655,585	669,367
Commitments and contingencies (Note 12)
Stockholders’ deficit:
Preferred stock, $0.01 par value; 1,000,000 shares authorized and no shares issued and outstanding	0	0
Common stock, $0.01 par value; 100,000,000 shares authorized; 10,989,273 and 10,970,937 issued in 2017 and 2016, respectively; 10,831,300 and 10,812,964 outstanding in 2017 and 2016, respectively	110	110
Treasury stock, at cost - 157,973 shares in 2017 and 2016	(3,138)	(3,138)
Additional paid-in capital	61,734	61,353
Accumulated comprehensive income	42	10
Accumulated deficit	(198,514)	(197,900)
Total stockholders’ deficit attributable to Alliance HealthCare Services, Inc.	(139,766)	(139,565)
Noncontrolling interest	129,823	130,062
Total stockholders’ deficit	(9,943)	(9,503)
Total liabilities and stockholders’ deficit	$ 645,642	$ 659,864