Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Jan. 31, 2013

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

Prepaid expenses and other current assets, net consisted of the following:

	2013		2012
Deferred charges on engineering contracts, net	$	267,000	$	1,332,000
Prepaid insurance expenses		223,000		266,000
Other prepaid expenses		92,000		204,000
Prepaid expenses and other current assets, net	$	582,000	$	1,802,000