XML 104 R74.htm IDEA: XBRL DOCUMENT v2.4.0.8
INCOME TAXES (Details 4) (USD $)
12 Months Ended
Apr. 30, 2014
Apr. 30, 2013
Balance at beginning of the year $ 11,259,297 $ 7,657,266
Charged (reversed) to costs and expenses 1,564,311 3,602,031
Balance at end of the year $ 12,823,608 $ 11,259,297