Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule of future minimum rental payments for operating leases

Approximate annual future minimum operating lease payments as of December 31, 2012 are as follows:

Year:	Operating Leases
2013	$	1,865,000
2014	2,052,000
2015	2,049,000
2016	2,073,000
2017	2,126,000
Thereafter	80,000
Total minimum lease payments	$	10,245,000