Note 7 - Accrued Liabilities

6 Months Ended

Jul. 31, 2014

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

7. Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

		July 31,				January 31,
		2014				2014

Uninvoiced materials and services received		$	331			$	458
Accrued legal and professional fees			62				161
Accrued payroll and related expenses			36				58
Accrued warranty			20				20
Other			282				315
		$	731			$	1,012

As of July 31, 2014, approximately $0.3 million or 98 percent of total uninvoiced materials and services of $0.3 million, respectively, included in accrued liabilities, were payable Zheng Ge Electrical Co. Ltd. (“Zheng Ge”).