Income Taxes (Components of Net Deferred Income Tax Assets and Liabilities) (Details) (USD $)	Jun. 30, 2012	Jun. 30, 2011
Income Tax Disclosure [Abstract]
Net operating loss carryforward	$ 10,105,598	$ 9,098,323
Executive post retirement costs	354,366	335,275
General business credit	207,698	207,698
Allowance for doubtful accounts	232,009	252,914
Accrued vacation	155,012	154,114
Inventory reserve	187,330	663,871
Accrued lease termination costs	114,969	0
Deferred revenue and accrued interest	118,942	0
Accelerated amortization on goodwill and other intangible assets	892,544	1,101,794
Warranty reserve	25,253	57,363
Total deferred income tax assets	12,393,721	11,871,352
Valuation allowance	12,363,776	11,845,843
Deferred income tax assets	29,945	25,509
Deferred income tax liabilities:
Accelerated depreciation	(29,945)	(25,509)
Total deferred income tax liabilities	29,945	25,509
Deferred tax assets	$ 0	$ 0