Quarterly report pursuant to Section 13 or 15(d)

2. Liquidity and Financial Condition (Details Narrative)

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2. Liquidity and Financial Condition (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Mar. 31, 2017
Net income (loss) $ (3,187,000) $ 16,228,000 $ (9,565,000) $ 11,710,000  
Accumulated deficit (152,677,000)   (152,677,000)   $ (143,101,000)
Working capital $ 12,279,000   12,279,000   $ 19,355,000
Proceeds from sale of stock, net     $ 968,000 $ 0  
At Market Issuance Sales Agreement [Member]          
Stock issued new, shares 228,000        
Proceeds from sale of stock, gross $ 1,034,000        
Proceeds from sale of stock, net $ 968,000