Accrued Expenses (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Payables and Accruals [Abstract]
Accrued compensation	$ 136,446	$ 522,057
Accrued consulting and professional fees	1,749,108	1,207,061
Accrued marketing and promotion	0	0
Other accrued expenses	64,775	259,579
Accrued income taxes	47,088	306,419
Accrued other taxes	420,695	378,374
Accrued hardware purchases	0	31,499
Accrued restructuring costs	461,361	602,299
Accrued Series A redeemable convertible preferred stock dividends	0	1,068,947
Total accrued expenses	$ 2,879,473	$ 4,376,235