XML 26 R11.htm IDEA: XBRL DOCUMENT v3.7.0.1
4. PROPERTY AND EQUIPMENT, NET
12 Months Ended
May 31, 2017
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT, NET

4. PROPERTY AND EQUIPMENT, NET:

 

    Property and equipment, net comprise (in thousands):

   May 31,
   2017  2016
Leasehold improvements  $1,145   $1,072 
Furniture and fixtures   974    974 
Machinery and equipment   3,035    2,330 
Test equipment   2,268    2,581 
           
    7,422    6,957 
Less: Accumulated depreciation and amortization   (6,003)   (5,753)
   $1,419   $1,204 

 

    Depreciation expense was $271,000, $203,000 and $135,000 for fiscal 2017, 2016, and 2015, respectively.