STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Option expense is amortized on a straight-line basis over the requisite service period with the following weighted average assumptions:

	2012		2011		2010
Expected volatility	64.8	%	64.1	%	63.4	%
Risk-free interest rate	1.98	%	3.23	%	3.35	%
Expected life of options	5.8 years		5.2 years		5.7 years
Dividend rate	—		—		—
Fair value of options	4.00		2.53		4.09

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

Stock option activity for the 2008 Plan and the BioScrip/CHS Plan through December 31, 2012 was as follows:

	Options		Weighted Average Exercise Price		Aggregate Intrinsic Value (thousands)		Weighted Average Remaining Contractual Life
Balance, December 31, 2011	5,610,361		$	5.94	$	4,747.2	5.4 years
Granted	2,106,500		6.79
Exercised	(1,728,186	)	5.01
Forfeited and expired	(1,103,460	)	8.90
Balance, December 31, 2012	4,885,215		$	5.97	$	23,462.8	7.8 years
Outstanding options less expected forfeitures at December 31, 2012	4,547,982		$	5.96	$	21,890.7	7.7 years
Exercisable at December 31, 2012	1,872,364		$	5.36	$	10,124.1	6.1 years

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The following table outlines our outstanding and exercisable stock options as of December 31, 2012:

	Options Outstanding				Options Exercisable
Range of Option Exercise Price	Outstanding Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Options Exercisable	Weighted Average Exercise Price
$1.71 - $4.24	671,960	$	2.81	5.99 years	608,629	$	2.66
$4.42 - $6.00	902,111	4.48		8.03 years	313,151	4.60
$6.04 - $6.62	1,958,751	6.60		8.53 years	272,420	6.52
$6.65 - $7.73	944,000	7.06		8.00 years	389,769	6.83
$7.95 - $9.56	408,393	8.90		6.21 years	288,395	8.82
	4,885,215	$	5.97	7.79 years	1,872,364	$	5.36

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

Restricted stock award activity through December 31, 2012 was as follows:

	Restricted Stock		Weighted Average Award Date Fair Value		Weighted Average Remaining Recognition Period
Balance December 31, 2011	225,232		$	3.82	0.3 years
Granted	70,000		$	7.52
Awards Vested	(215,232	)	$	3.79
Canceled	(10,000	)	$	4.42
Balance December 31, 2012	70,000		$	7.52	0.4 years

Schedule of Share-based Compensation, Stock Appreciation Rights Award Activity [Table Text Block]

SAR activity through December 31, 2012 was as follows:

	Stock Appreciation Right		Weighted Average Exercise Price	Weighted Average Remaining Recognition Period
Balance, December 31, 2011	300,000		5.27	2.1 years
Granted	180,000		7.85
Exercised	(66,667	)	4.42
Canceled	(33,333	)	4.42
Balance, December 31, 2012	380,000		6.72	1.8 years