Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 22,241	$ 38,070
Accounts receivable, net of allowance for doubtful accounts of $4,008 in 2016 and $5,461 in 2015	77,496	73,208
Prepaid expenses	9,568	13,463
Other current assets	3,853	3,206
Total current assets	113,158	127,947
Plant, property and equipment, net	204,814	177,188
Goodwill	119,130	102,782
Other intangible assets, net	198,977	162,923
Other assets	23,785	32,820
Total assets	659,864	603,660
Current liabilities:
Accounts payable	28,185	20,796
Accrued compensation and related expenses	24,895	19,933
Accrued interest payable	3,308	3,323
Current portion of long-term debt	17,298	17,732
Current portion of obligations under capital leases	3,354	2,674
Other accrued liabilities	29,323	36,453
Total current liabilities	106,363	100,911
Long-term debt, net of current portion	515,407	540,353
Obligations under capital leases, net of current portion	12,686	10,332
Deferred income taxes	25,818	23,020
Other liabilities	9,093	6,664
Total liabilities	669,367	681,280
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; 10,970,937 and 10,774,857 issued in 2016 and 2015, respectively; 10,812,964 and 10,616,884 outstanding in 2016 and 2015, respectively	110	108
Treasury stock, at cost - 157,973 shares in 2016 and 2015	(3,138)	(3,138)
Additional paid-in capital	61,353	29,297
Accumulated comprehensive income (loss)	10	(511)
Accumulated deficit	(197,900)	(198,393)
Total stockholders’ deficit attributable to Alliance HealthCare Services, Inc.	(139,565)	(172,637)
Noncontrolling interest	130,062	95,017
Total stockholders’ deficit	(9,503)	(77,620)
Total liabilities and stockholders’ deficit	$ 659,864	$ 603,660

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.