Accrued Expenses (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accrued compensation	$ 1,058,671	$ 2,236,494
Accrued consulting and professional fees	1,270,568	1,561,425
Accrued marketing and promotion	10,307	69,258
Other accrued expenses	259,567	588,746
Accrued income taxes	129,784	106,270
Accrued other taxes	699,872	1,247,596
Accrued hardware purchases	0	67,280
Accrued restructuring costs	846,337	717,640
Accrued Series A redeemable convertible preferred stock dividends	195,904	188,805
Total accrued expenses	$ 4,471,010	$ 6,783,514