2. Summary of Significant Accounting Policies (Details Narrative) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Cost of revenues	$ 2,186	$ 12,833	$ 14,494	$ 72,850
Effective tax rates	0.00%	(1.00%)	(2.00%)	(1.00%)
Costs to acquire patent rights [Member]
Cost of revenues				$ 4,000
Sales Revenue Net [Member] | One Licensee [Member]
Concentration risk percentage	52.00%	44.00%	46.00%	73.00%
Sales Revenue Net [Member] | One Licensee [Member]
Concentration risk percentage	21.00%	25.00%	23.00%
Sales Revenue Net [Member] | One Licensee [Member]
Concentration risk percentage	12.00%	17.00%	14.00%
Sales Revenue Net [Member] | Foreign Licensee [Member]
Concentration risk percentage	75.00%	61.00%	38.00%	15.00%
Accounts Receivable [Member] | One Licensee [Member]
Concentration risk percentage			49.00%		38.00%
Accounts Receivable [Member] | One Licensee [Member]
Concentration risk percentage			20.00%		36.00%
Accounts Receivable [Member] | One Licensee [Member]
Concentration risk percentage			11.00%		12.00%
Accounts Receivable [Member] | One Licensee [Member]
Concentration risk percentage			11.00%		11.00%