v2.4.0.6
Note 6 - Accrued Liabilities
12 Months Ended
Jan. 31, 2013
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
6.            Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

   
January 31,
 
   
2013
   
2012
 
Accrued payroll and related expenses
  $ 147     $ 103  
Uninvoiced materials and services received
    1,269       602  
Accrued legal and professional fees
    169       204  
Accrued warranty
    68       193  
Other
    136       213  
    $ 1,789     $ 1,315  

At January 31, 2013, approximately $1.1 million or 85 percent of total uninvoiced materials and services of $1.3 million, included in accrued liabilities were payable to Power and Zheng Ge Electrical Co. Ltd. (“Zheng Ge”). At January 31, 2012, approximately $0.3 million or 54 percent of total uninvoiced materials and services of $0.6 million, included in accrued liabilities were payable to Zheng Ge. We ceased paying Zheng Ge during the course of the recall.