Quarterly report pursuant to Section 13 or 15(d)

SEGMENT REPORTING (Details Textual)

v2.4.0.8
SEGMENT REPORTING (Details Textual) (Specialty Communication [Member], China Operations [Member], USD $)
6 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Specialty Communication [Member] | China Operations [Member]
   
Noncontrolling Interest, Ownership Percentage by Parent 60.00%  
Segment Reporting Information, Net Assets $ 2,034,000 $ 1,854,000
Segment Reporting Information, Revenue for Reportable Segment $ 111,000 $ 841,000