Intangible Assets (Accumulated Amortization and Expense) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 1,000
Payments to Acquire Other Productive Assets	(8,000)	$ (176,000)
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	90,962	90,962
Finite-Lived Intangible Assets, Accumulated Amortization	90,562	88,962
Amortization expense	0	52,000
Amortization expense, 2015	2,000
Amortization expense, 2016	2,000
Amortization expense, 2017	2,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	2,000	1,000
Licensing Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	186,500	176,000
Finite-Lived Intangible Assets, Accumulated Amortization	18,000	0
Finite-Lived Intangible Assets, Amortization Expense, Year Five	18,000
finite intangible assets, net, amortization expense, next twelve-month to year five	$ 18,000
Maximum [Member] | Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	17 years
Maximum [Member] | Licensing Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Estimated useful life	10 years
Sonomed-Escalon [Member] | Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization		88,962
Sonomed-Escalon [Member] | Licensing Agreements [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization		$ 0