Collaboration and Commercial Technology Licensing Agreements (Details) - USD ($)	1 Months Ended		3 Months Ended
	Mar. 31, 2017	Jun. 30, 2016	Mar. 31, 2017	Mar. 31, 2016	Feb. 28, 2017
Collaboration and specimen transfer agreements
Collaboration payments and costs
Collaboration expense			$ 935,000	$ 938,000
Technology license agreements
Collaboration payments and costs
Costs recorded under collaborative arrangements			$ 95,000	$ 2,500,000
Oncotype DX DCIS clinical study
Collaboration payments and costs
Period from achieving key milestone entity required to make fixed annual payments			1 year
Final payment	$ 504,000		$ 504,000
Exclusive distribution rights Epic's AR-V7 Nucleus Detect
Collaboration payments and costs
Obligation upon achievement of certain milestones		$ 4,000,000
Investment in subordinated convertible promissory notes per agreement	7,500,000		$ 7,500,000
Investment in preferred stock per collaboration agreement		$ 2,500,000
Term of agreement		10 years
Fair value of convertible promissory notes					$ 7,100,000
Deferred cost	$ 375,000