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Note 5 - Loss Per Share | 12 Months Ended
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Jun. 30, 2018
Notes to Financial Statements |
Earnings Per Share [Text Block] | 5. Loss Per Share A reconciliation of the components of basic and diluted net loss per share of common stock is presented in the tables below:
|  | Year Ended June 30, 2018 |
|  | Loss |  |  | Weighted Average Shares |  |  | Loss Per Share |
Basic and Diluted Loss per Share: |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stock |  | $ | 6,188,810 |  |  |  | 5,675,366 |  |  | $ | 1.09 |
|  | Year Ended June 30, 2017 |
|  | Loss |  |  | Weighted Average Shares |  |  | Loss Per Share |
Basic and Diluted Loss per Share: |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stock |  | $ | 2,836,453 |  |  |  | 4,608,177 |  |  | $ | 0.62 |
Options and warrants to purchase 35,625 and 845,999 shares of common stock were outstanding as of June 30, 2018 , and 2017, respectively. These options and warrants were not included in the computation of diluted earnings per share for the applicable fiscal year, due to being anti-dilutive as a result of the Company’s net loss for all periods presented.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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