Summary of Significant Accounting Policies (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Property and Equipment and Internal-use Software
Total cost	$ 5,767,000	$ 4,262,000
Accumulated depreciation	2,815,000	1,816,000
Net book value	2,952,000	2,446,000
Minimum
Property and Equipment and Internal-use Software
Estimated useful life	3 years
Maximum
Property and Equipment and Internal-use Software
Estimated useful life	5 years
Capitalized software
Property and Equipment and Internal-use Software
Estimated useful life	3 years
Capitalized costs	212,000	173,000
Amortization expense	108,000	47,000
Total cost	482,000	271,000
Accumulated depreciation	195,000	87,000
Net book value	$ 287,000	$ 184,000