Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013	Aug. 31, 2013
Long-term Purchase Commitment [Line Items]
Contingent Consideration, Future Minimum Payments Due	$ 26,542,000
Contingent Consideration, Due in Next Twelve Months	633,000
Contingent Consideration, Future Minimum Payments, Due in Two and Three Years	2,435,000
Contingent Consideration, Future Minimum Payments. Due in Four and Five Years	14,683,000
Contingent Consideration, Due after Fifth Year	8,791,000
Operating Leases, Rent Expense	5,800,000		4,900,000
Equipment Expense	5,200,000		4,100,000
Purchase Obligation, Fiscal Year Maturity [Abstract]
Contractual obligations	330,000	[1]
Contractual obligations, Due in Next Twelve Months	284,000	[1]
Contractual obligations, Due in Second and Third Year	46,000	[1]
Contractual obligations, Due in Fourth and Fifth Year	0	[1]
Minimum lease payments, Future Minimum Payments Due	6,107,000
Minimum lease payments, Future Minimum Payments Due, Next Twelve Months	4,114,000
Minimum lease payments, Future Minimum Payments, Due in Two and Three Years	1,993,000
Minimum lease payments, Future Minimum Payments, Due in Four and Five Years	0
Less minimum sublease rentals, Future Minimum Payments Due, Future Minimum Sublease Rentals	(3,222,000)	[2]
Less minimum sublease rentals Future Minimum Payments Due Future Minimum Sublease Rentals For Next Twelve Months	(2,469,000)	[2]
Less minimum sublease rentals Future Minimum Payments Due Future Minimum Sublease Rentals For Years Two and Three [Line Items]	(753,000)	[2]
Less minimum sublease rentals Future Minimum Payments Due Future Minimum Sublease Rentals For Years Four and Five	0	[2]
Net minimum lease payments Future Minimum Payments Due Net	2,885,000
Net minimum lease payments Future Minimum Payments Due Net In Next Twelve Months	1,645,000
Net minimum lease payments Future Minimum Payments Due Net In Second And Third Year	1,240,000
Net minimum lease payments Future Minimum Payments Due Net In Fourth And Fifth Year	0
Total Contractual Obligation	29,757,000
Total Contractual Obligation, Due in Next Twelve Months	2,562,000
Total Contractual Obligation, Due in Second and Third Year	3,721,000
Total Contractual Obligation, Due in Fourth and Fifth Year	14,683,000
Letters of Credit Outstanding, Amount	1,400,000		2,000,000
Contingent consideration, liability	26,542,000			500,000
Litigation Settlement, Amount	3,000,000
Settlement Liabilities, Current	500,000
Regulatory Liability, Noncurrent	2,500,000
Contractual Obligation, Due after Fifth Year	8,791,000
NEW JERSEY
Purchase Obligation, Fiscal Year Maturity [Abstract]
Operating Leases, Rent Expense, Sublease Rentals	1,900,000
PENNSYLVANIA
Purchase Obligation, Fiscal Year Maturity [Abstract]
Operating Leases, Rent Expense, Sublease Rentals	1,300,000
ILLINOIS
Purchase Obligation, Fiscal Year Maturity [Abstract]
Operating Leases, Rent Expense, Sublease Rentals	$ 18,000

[1] Amounts represent contractual obligations related to software license contracts, office equipment and contracts for software systems.

[2] As of December 31, 2014, the Company has entered into various sublease agreements for all of the office space at the Saddle River, New Jersey facility, the Dresher, Pennsylvania facility, and the Schaumburg, Illinois facility. These subleases will provide aggregated lease income of approximately $1.9 million, $1.3 million and $18,000, respectively, over the remaining lease periods.