Overview of Business and Basis of Presentation (Details 2) - USD ($) $ in Thousands	Mar. 31, 2019	Jun. 30, 2018
Liabilities Fair Value Disclosure	$ 1,860
Contingent Consideration
Liabilities Fair Value Disclosure	1,710
Contingent warrants
Liabilities Fair Value Disclosure	150
Equity investments [Member]
Assets, Fair Value Disclosure	8,616	$ 6,629
Common stock [Member]
Assets, Fair Value Disclosure	5,201	5,537
Common stock warrants [Member]
Assets, Fair Value Disclosure	8	283
Preferred Stock [Member]
Assets, Fair Value Disclosure	2,883
Available-for-sale investments [Member]
Assets, Fair Value Disclosure	12,533	13,381
Cash and cash equivalents [Member]
Assets, Fair Value Disclosure	14,665	32,992
Mutual funds [Member]
Assets, Fair Value Disclosure	524	809
Cash [Member]
Assets, Fair Value Disclosure	4,429	3,777
Money market funds [Member]
Assets, Fair Value Disclosure	10,236	28,215
Commercial paper [Member]
Assets, Fair Value Disclosure		1,000
Commercial paper [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure		3,294
Corporate debt [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	12,533	10,087
Fair Value, Inputs, Level 1 [Member]
Liabilities Fair Value Disclosure	1,860
Fair Value, Inputs, Level 1 [Member] | Contingent Consideration
Liabilities Fair Value Disclosure	1,710
Fair Value, Inputs, Level 1 [Member] | Contingent warrants
Liabilities Fair Value Disclosure	150
Fair Value, Inputs, Level 1 [Member] | Equity investments [Member]
Assets, Fair Value Disclosure	5,733	6,629
Fair Value, Inputs, Level 1 [Member] | Common stock [Member]
Assets, Fair Value Disclosure	5,201	5,537
Fair Value, Inputs, Level 1 [Member] | Common stock warrants [Member]
Assets, Fair Value Disclosure	8	283
Fair Value, Inputs, Level 1 [Member] | Preferred Stock [Member]
Assets, Fair Value Disclosure	0
Fair Value, Inputs, Level 1 [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 [Member] | Cash and cash equivalents [Member]
Assets, Fair Value Disclosure	14,665	31,992
Fair Value, Inputs, Level 1 [Member] | Mutual funds [Member]
Assets, Fair Value Disclosure	524	809
Fair Value, Inputs, Level 1 [Member] | Cash [Member]
Assets, Fair Value Disclosure	4,429	3,777
Fair Value, Inputs, Level 1 [Member] | Money market funds [Member]
Assets, Fair Value Disclosure	10,236	28,215
Fair Value, Inputs, Level 1 [Member] | Commercial paper [Member]
Assets, Fair Value Disclosure		0
Fair Value, Inputs, Level 1 [Member] | Commercial paper [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure		0
Fair Value, Inputs, Level 1 [Member] | Corporate debt [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member]
Liabilities Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member] | Contingent Consideration
Liabilities Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member] | Contingent warrants
Liabilities Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member] | Equity investments [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Common stock [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Common stock warrants [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Preferred Stock [Member]
Assets, Fair Value Disclosure	0
Fair Value, Inputs, Level 2 [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	12,533	13,381
Fair Value, Inputs, Level 2 [Member] | Cash and cash equivalents [Member]
Assets, Fair Value Disclosure	0	1,000
Fair Value, Inputs, Level 2 [Member] | Mutual funds [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Cash [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Money market funds [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 2 [Member] | Commercial paper [Member]
Assets, Fair Value Disclosure		1,000
Fair Value, Inputs, Level 2 [Member] | Commercial paper [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure		3,294
Fair Value, Inputs, Level 2 [Member] | Corporate debt [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	12,533	10,087
Fair Value, Inputs, Level 3 [Member]
Liabilities Fair Value Disclosure	0
Fair Value, Inputs, Level 3 [Member] | Contingent Consideration
Liabilities Fair Value Disclosure	0
Fair Value, Inputs, Level 3 [Member] | Contingent warrants
Liabilities Fair Value Disclosure	0
Fair Value, Inputs, Level 3 [Member] | Equity investments [Member]
Assets, Fair Value Disclosure	2,883	0
Fair Value, Inputs, Level 3 [Member] | Common stock [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Common stock warrants [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Preferred Stock [Member]
Assets, Fair Value Disclosure	2,883
Fair Value, Inputs, Level 3 [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Cash and cash equivalents [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Mutual funds [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Cash [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Money market funds [Member]
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 3 [Member] | Commercial paper [Member]
Assets, Fair Value Disclosure		0
Fair Value, Inputs, Level 3 [Member] | Commercial paper [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure		0
Fair Value, Inputs, Level 3 [Member] | Corporate debt [Member] | Available-for-sale investments [Member]
Assets, Fair Value Disclosure	$ 0	$ 0