Annual report pursuant to Section 13 and 15(d)

Reconciliation of Federal Statutory Income Tax Rate of 34 Percent to Effective Income Tax Rate (Detail)

v3.5.0.2
Reconciliation of Federal Statutory Income Tax Rate of 34 Percent to Effective Income Tax Rate (Detail)
12 Months Ended
May 31, 2016
May 31, 2015
Schedule Of Income Taxes [Line Items]    
Income tax provision at statutory rate 34.00% 34.00%
State income taxes, net 0.00% 0.00%
Rate change   (0.60%)
Derivative gain/loss 0.90% (1.20%)
Loss on debt conversion (0.80%)  
Inducement charge (1.00%)  
Miscellaneous (0.50%)  
Valuation allowance (32.90%) (32.20%)
Total 0.00% 0.00%