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 ($)
1 Months Ended 3 Months Ended
Aug. 06, 2018
Jun. 30, 2018
Jun. 30, 2017
Mar. 31, 2018
Net income (loss)   $ (3,458,000) $ (3,508,000)  
Accumulated deficit   (160,898,000)   $ (157,440,000)
Working capital   10,511,000   $ 12,993,000
Proceeds from sale of stock, net   $ 916,000 $ 0  
At Market Issuance [Member]        
Stock issued new, shares   245,132    
Proceeds from sale of stock, gross   $ 946,000    
Proceeds from sale of stock, net   $ 916,000    
At Market Issuance [Member] | Subsequent Event [Member]        
Stock issued new, shares 6,695      
Proceeds from sale of stock, gross $ 16,000      
Proceeds from sale of stock, net $ 15,500