Note 7 - Accrued Liabilities

3 Months Ended

Apr. 30, 2014

Payables and Accruals [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

7.	Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

		April 30, 2014				January 31, 2014

Uninvoiced materials and services received		$	458			$	458
Accrued legal and professional fees			112				161
Accrued payroll and related expenses			45				58
Accrued warranty			20				20
Other			276				315
		$	911			$	1,012

As of April 30, 2014 and January 31, 2014, approximately $0.3 million or 70 percent of total uninvoiced materials and services of $0.5 million, respectively, included in accrued liabilities, was payable Zheng Ge Electrical Co. Ltd. (“Zheng Ge”).