Supplemental Balance Sheet Information (Tables)

12 Months Ended

Jun. 30, 2012

Supplemental Balance Sheet Information [Abstract]

Schedule Of Condensed Balance Sheet [Table Text Block]

		June 30,
		2012			2011
Inventories
Work in progress		$	654,677		$	820,586
Component parts			7,495,333			7,858,862
Finished goods			3,178,507			3,293,261
Reserve for obsolete and excess inventory			(1,327,291	)		(1,419,420	)
		$	10,001,226		$	10,553,289
	Estimated
	Useful Life
	(years)
Property, plant and equipment
Machinery and equipment	3-10	$	13,231,044		$	11,528,855
Buildings	28-35		12,620,447			12,222,170
Land and land improvements	5-7		934,216			934,216
Total property, plant and equipment at cost			26,785,707			24,685,241
Less accumulated depreciation and amortization			(17,182,151	)		(16,024,734	)
		$	9,603,556		$	8,660,507
Depreciation expense was $1.3 million, $1.3 million, and $1.4 million for the fiscal years ended June 30, 2012, 2011 and 2010, respectively.
Other accrued liabilities
Accrued compensation expense		$	1,246,145		$	1,162,392
Customer deposits			406,471			253,199
Other			202,963			229,961
		$	1,855,579		$	1,645,552