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 | |||
| X | ||||||||||
- Definition Working capital No definition available. 
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Details 
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- Details 
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