Annual report pursuant to Section 13 and 15(d)

13. Stockholders' Equity (Details Narrative)

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13. Stockholders' Equity (Details Narrative) - USD ($)
 12 Months Ended 24 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Proceeds from sale of stock, gross $ 6,144,000 $ 6,785,000  
Fair value of warrants $ 128,000    
Advocos [Member]      
Issuance of common stock for services, shares 208,519 32,501  
Issuance of common stock for services, amount $ 286,000    
Stock expense related to transactions 190,000 $ 76,000  
Stock issuance costs paid accrued in prior periods $ 96,000    
Dawson James Securities, Inc. [Member]      
Warrants issued 250,000    
Fair value of warrants $ 128,000    
Common Stock and Warrants [Member]      
Proceeds from sale of stock, gross 3,400,000    
Proceeds from sale of equity, net 2,994,000    
Legal fees and expenses related to offering $ 50,000    
At-the-Market Issuance Sales Agreement [Member]      
Stock sold new, shares issued 2,254,596 467,934  
Proceeds from sale of stock, gross $ 3,263,000 $ 1,443,000 $ 4,706,000
Proceeds from sale of equity, net $ 3,150,000 1,341,000  
January 2015 Underwritten Public Offering [Member]      
Proceeds from sale of stock, gross   6,392,000  
Proceeds from sale of equity, net   $ 5,444,000