Property Machinery And Equipment Net

12 Months Ended

Apr. 30, 2012

Property Machinery And Equipment Net [Abstract]

PROPERTY, MACHINERY AND EQUIPMENT, NET

NOTE E—PROPERTY, MACHINERY AND EQUIPMENT, NET

Property, machinery and equipment consist of the following at April 30:

	2012		2011
Land and buildings	$	12,311,942	$	12,335,112
Machinery and equipment		49,582,841		44,364,140
Office equipment and software		5,591,497		5,046,379
Tools and dies		295,095		295,095
Leasehold improvements		3,085,887		2,967,879
Equipment under capital leases		1,376,799		5,125,379
		72,244,061		70,133,984
Less accumulated depreciation and amortization, including amortization of assets under capital leases of $209,510 and $1,533,010 at April 30, 2012 and 2011, respectively		47,870,567		43,944,834
Property, machinery and equipment, net	$	24,373,494	$	26,189,150

Depreciation and amortization expense was $4,069,944 and $4,440,426 for the years ended April 30, 2012 and 2011, respectively.