Summary of Business and Significant Accounting Policies (Details) (USD $)	6 Months Ended
	Jun. 30, 2012
Gains or losses included in earnings:
Reduction in FBM contingent consideration due to re-negotiated lease	$ (0.5)
Lender Warrant [Member]
Reconciliation between beginning and ending balances of items measured at fair value on a recurring basis
Balances	1,119,000
Gains or losses included in earnings:
Gain on revaluation of warrant	(381,000)
Reclassification of warrant to additional paid-in capital	738,000
Contingent Consideration - PBS [Member]
Reconciliation between beginning and ending balances of items measured at fair value on a recurring basis
Balances	5,798,000
Gains or losses included in earnings:
Loss on revaluation of contingent consideration	1,059,000
Payment of contingent consideration	(6,260,000)
Balances	597,000
Contingent Consideration - FBM [Member]
Reconciliation between beginning and ending balances of items measured at fair value on a recurring basis
Balances	3,178,000
Gains or losses included in earnings:
Loss on revaluation of contingent consideration	542,000
Reduction in FBM contingent consideration due to re-negotiated lease	(528,000)
Balances	3,192,000
Contingent Consideration - CS [Member]
Reconciliation between beginning and ending balances of items measured at fair value on a recurring basis
Initial fair value of contingent consideration	11,054,000
Gains or losses included in earnings:
Loss on revaluation of contingent consideration	846,000
Balances	11,900,000
Contingent Consideration - TC [Member]
Reconciliation between beginning and ending balances of items measured at fair value on a recurring basis
Initial fair value of contingent consideration	5,314,000
Gains or losses included in earnings:
Loss on revaluation of contingent consideration	71,000
Balances	$ 5,385,000