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Acquisition (Details Textual) - USD ($) shares in Thousands		3 Months Ended
Acquisition (Details Textual) - USD ($) shares in Thousands	Jan. 08, 2016	Mar. 31, 2017	Mar. 31, 2016
Business Acquisition [Line Items]
Stock options compensation cost		$ 366,383	$ 393,471
Acquisition-related Costs \| Diffusion LLC
Business Acquisition [Line Items]
Acquisition related costs			$ 1,600,000
Success Fee Agreement Costs \| Diffusion LLC
Business Acquisition [Line Items]
Success fees	$ 1,100,000
Shares, issued for services (in shares)	46
Stock issued for services	$ 500,000
Executive Officers
Business Acquisition [Line Items]
Severance costs	3,000,000
Equity Option
Business Acquisition [Line Items]
Stock options compensation cost	$ 2,700,000	$ 0