Summary of Business and Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Summary of Business and Significant Accounting Policies [Abstract]

Reconciliation between the beginning and ending balances of items measured at fair value on a recurring basis

	Lender Warrant			Contingent Consideration PBS			Contingent Consideration FBM			Contingent Consideration CS		Contingent Consideration TC
Balances at December 31, 2011	$	1,119		$	5,798		$	3,178		$	—	$	—
Initial fair value of contingent consideration		—			—			—			11,054		5,314
Gains or losses included in earnings:
Gain on revaluation of warrant		(381	)		—			—			—		—
Loss on revaluation of contingent consideration		—			1,059			542			846		71
Payment of contingent consideration		—			(6,260	)		—			—		—
Reclassification of warrant to additional paid-in capital		(738	)		—			—			—		—
Reduction in FBM contingent consideration due to re-negotiated lease		—			—			(528	)		—		—
Balances at June 30, 2012	$	—		$	597		$	3,192		$	11,900	$	5,385

Significant unobservable inputs used in fair value measurement

	Fair Value at June 30, 2012		Valuation Technique	Significant Unobservable Input
	(in thousands, unaudited)
Contingent consideration - FBM	$	3,192	Discounted cash flow	Annualized revenue and probability of achievement
Contingent consideration - CS	$	11,900	Discounted cash flow	Annualized revenue and probability of achievement
Contingent consideration - TC	$	5,385	Discounted cash flow	Annualized revenue and probability of achievement