Inventories (Tables)

12 Months Ended

Jan. 31, 2013

Inventory, Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories at January 31, 2013 and 2012 consisted of the following:

	2013			2012
Raw materials	$	7,627,000		$	6,626,000
Work in process		2,619,000			2,005,000
Finished goods		21,000			381,000
Reserve for obsolete and slow moving inventory		(2,072,000	)		(2,219,000	)
Inventories, net	$	8,195,000		$	6,793,000

Schedule Of Reserve For Obsolete And Slow Moving Inventory Activity [Table Text Block]

The Company’s reserve for obsolete and slow moving inventory activity for the years ended January 31, 2013 and 2012 was as follows:

	2013			2012
Beginning balance	$	2,219,000		$	2,424,000
Amounts written off		(289,000	)		(315,000	)
Amounts charged to operations		142,000			110,000
Ending balance	$	2,072,000		$	2,219,000