Significant Accounting Policies (Property and Equipment) (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Property and Equipment [Line Items]
Depreciation and amortization expense	$ 475,857	$ 570,650
Property and equipment, gross	1,810,530	2,534,009
Less: Accumulated depreciation and amortization	(1,474,923)	(2,015,129)
Property and equipment, net	335,607	518,880
Fully depreciated assets written off	770,000
Assets disposed of, historical cost	150,000
Assets disposed of, accumulated depreciation	63,000
Loss on disposal of assets	87,000
Equipment [Member]
Property and Equipment [Line Items]
Property and equipment, gross	1,612,728	2,344,591
Furniture and Fixtures [Member]
Property and Equipment [Line Items]
Property and equipment, gross	82,888	74,504
Furniture and Fixtures [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	7 years
Leasehold Improvements [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	5 years
Property and equipment, gross	114,914	114,914
Computer Equipment and Software [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	3 years
Computer Equipment and Software [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	5 years
Production and Test Equipment [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	5 years
Production and Test Equipment [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and equipment, useful life	10 years
Property and Equipment [Member]
Property and Equipment [Line Items]
Depreciation and amortization expense	$ 167,000	$ 260,000