Stockholders' Deficit

6 Months Ended

Jun. 30, 2013

Stockholders' Equity Note [Abstract]

Stockholders' Deficit

Stockholders’ Deficit

The following table summarizes consolidated stockholders’ deficit, including noncontrolling interest.

									Additional		Accumulated						Stockholders’ Equity (Deficit) Attributable to						Total
	Common Stock			Treasury Stock					Paid-In		Comprehensive			Accumulated			Alliance HealthCare			Noncontrolling			Stockholders’
	Shares	Amount		Shares		Amount			Capital		Income (Loss)			Deficit			Services, Inc.			Interest			Deficit
Balance at January 1, 2013	10,615,072	$	524	(140,028	)	$	(2,877	)	$	21,507	$	(716	)	$	(183,226	)	$	(164,788	)	$	48,495		$	(116,293	)
Exercise of stock options	3,665	—		—		—			29		—			—			29			—			29
Issuance of restricted stock	11,999	—		—		—			—		—			—			—			—			—
Share-based payment	—	—		—		—			735		—			—			735			—			735
Unrealized gain on hedging transaction, net of tax	—	—		—		—			—		272			—			272			—			272
Net contributions (distributions)	—	—		—		—			—		—			—			—			(6,848		)	(6,848		)
Net (loss) income	—	—		—		—			—		—			(15,382		)	(15,382		)	6,339			(9,043		)
Balance at June 30, 2013	10,630,736	$	524	(140,028	)	$	(2,877	)	$	22,271	$	(444	)	$	(198,608	)	$	(179,134	)	$	47,986		$	(131,148	)