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Collaborative Agreements and Commitments: - Activity for TAO and Stanford License Agreements (Details) - Stanford License Agreements - USD ($)			6 Months Ended
	Jan. 19, 2017	May 12, 2014	Jun. 30, 2026
Collaborative Agreements and Commitments
Royalty payment percentage		3.00%
Milestone payments made		$ 3,700,000	$ 0
Payments for royalties			0
Annual license maintenance fee	$ 10,000
Commitment to pay additional fee	$ 2,100,000
Estimated cost			$ 1,500,000
Minimum
Collaborative Agreements and Commitments
Royalty payment percentage	1.50%
Maximum
Collaborative Agreements and Commitments
Royalty payment percentage	4.50%
License
Collaborative Agreements and Commitments
Aggregate amount paid	$ 70,000