Accrued Expenses (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued compensation	$ 2,236,494	$ 2,320,238
Accrued consulting and professional fees	1,561,425	594,580
Accrued marketing and promotion	69,258	27,390
Other accrued expenses	588,746	1,008,760
Accrued income taxes	106,270	137,191
Accrued other taxes	1,247,596	1,117,053
Accrued hardware purchases	67,280	580,932
Accrued restructuring costs	717,640	959,270
Accrued investigation, litigation, and settlement costs	0	6,880
Accrued Series A redeemable convertible preferred stock dividends	188,805	186,904
Total accrued expenses	$ 6,783,514	$ 6,939,198