XML 69 R34.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 9 - Fair Value of Financial Instruments (Tables)
12 Months Ended
Mar. 31, 2015
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   
Fair Value Measurements at March 31,
 
   
2015
   
2014
 
                 
Marketable securities
  $ 5,278,752     $ 1,460,518