Summary of Significant Accounting Policies (Details Textual)	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($) Institutions Compensationplans	Dec. 31, 2016 Institutions
Summary of Significant Accounting Policies (Textual)
Number of financial institutions where cash is held | Institutions	4	4
Number of stock-based employee compensation plans | Compensationplans	1
Patent monetization expenses current additional | $	$ 2,300,000
Net revenue [Member]
Summary of Significant Accounting Policies (Textual)
Concentration of credit risk, customers accounted	10% or more
Customers A [Member] | Accounts receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	25.00%	54.00%
Customers B [Member] | Accounts receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	56.00%
Customers C [Member] | Accounts receivable [Member]
Summary of Significant Accounting Policies (Textual)
Concentration risk percentage	16.00%	22.00%