Investments (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2019	Jun. 30, 2019
Available-for-sale Debt Securities, Amortized Cost	$ 28,324	$ 25,761
Available-for-sale Equity Securities, Amortized Cost Basis	7,994	8,877
Available-for-sale Equity Securities, Unrealized Gains	769
Available-for-sale Debt Securities, Unrealized Losses	(5,539)	(5,368)
Available-for-sale Equity Securities, Unrealized Losses	(1,772)	(1,472)
Available-for-sale Securities, Debt Securities	22,785	20,393
Equity securities, fair value	6,991	7,405
Common Stock [Member]
Available-for-sale Equity Securities, Amortized Cost Basis	4,823	5,706
Available-for-sale Equity Securities, Unrealized Gains	769
Available-for-sale Equity Securities, Unrealized Losses	(1,484)	(1,185)
Equity securities, fair value	4,108	4,521
Common stock warrants
Available-for-sale Equity Securities, Amortized Cost Basis	288	288
Available-for-sale Equity Securities, Unrealized Losses	(288)	(287)
Equity securities, fair value		1
Preferred Stock [Member]
Available-for-sale Equity Securities, Amortized Cost Basis	2,883	2,883
Equity securities, fair value	2,883	2,883
Corporate Debt Securities [Member]
Available-for-sale Debt Securities, Amortized Cost	28,324	25,761
Available-for-sale Debt Securities, Unrealized Losses	(5,539)	(5,368)
Available-for-sale Securities, Debt Securities	$ 22,785	$ 20,393

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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