Property and Equipment - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Property Plant And Equipment [Abstract]
Accumulated amortization for capitalized software development costs	$ 1,565,000		$ 1,565,000		$ 987,000
Amortization expense for capitalized software development costs	$ 303,000	$ 147,000	$ 578,000	$ 265,000