v3.19.3

Note 13 - Subsequent Events (Details Textual) |  |  |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 02, 2019 | Aug. 01, 2019 | May 31, 2019 USD ($) | May 03, 2019 USD ($) shares | Aug. 31, 2019 USD ($) | Jul. 31, 2019 USD ($) | May 31, 2019 USD ($) | Apr. 30, 2019 USD ($) | Jan. 31, 2019 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) | Jun. 20, 2019 USD ($) | Mar. 31, 2019 USD ($) | Mar. 31, 2018 USD ($) | Jan. 31, 2017 USD ($) | Nov. 24, 2015
Proceeds from issuance of convertible promissory notes - related party |  |  |  |  |  |  |  |  |  | $ 3,996,000 | $ 1,500,000 | $ 4,500,000 |  |  |  |  |
Majority Investors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  | 8.00% |  |  |  |  |
Majority Investors [Member] | First Note to Fund the Company's Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Notes Payable, Total |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |
Majority Investors [Member] | Second Note to Fund the Company's Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Notes Payable, Total |  |  | $ 500,000 |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |  |
Majority Investors [Member] | Notes to Fund the Company's Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 8.00% |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |
Oxford Finance, LLC [Member] | Term Loans [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment Terms, Increase (Decrease) in Balloon Payment to be Paid |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 | $ 100,000 |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.06%
Oxford Finance, LLC [Member] | Term Loans [Member] | Domain [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase of Periodic Payments Upon Delivery of Executed Term Sheet |  |  |  |  |  |  |  |  | 240 days |  |  |  |  |  |  |  |
Proceeds from Noncontrolling Interests |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |  |  |  |  |
Restricted Cash, Total |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |  |  |  |
Debt Instrument, Periodic Payment Terms, Increase (Decrease) in Balloon Payment to be Paid |  |  |  |  |  |  |  |  | $ 50,000 |  |  |  | $ 20,000 |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Merger Agreement, Percentage Ownership in Combined Company, Acquirer |  |  |  | 86.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Merger Agreement, Percentage Ownership in Combined Company, Acquiree |  |  |  | 14.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds From Issuance Or Sale Of Equity |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Reverse Stock Split [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 2 | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Reverse Stock Split [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 10 | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Conversion of Notes into Series B Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount, Principal |  |  |  | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount, Cumulative Accrued Interest |  |  |  | $ 203,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Conversion of Notes into Series B Convertible Preferred Stock [Member] | Series B Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Shares Issued | shares |  |  |  | 10,223,996 |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Domain [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from issuance of convertible promissory notes - related party |  |  |  |  |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Majority Investors [Member] | First Note to Fund the Company's Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Notes Payable, Total |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  |  | Apr. 26, 2020 |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Majority Investors [Member] | Second Note to Fund the Company's Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Notes Payable, Total |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |  |
Debt Instrument, Maturity Date |  |  |  |  |  |  | May 29, 2020 |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Majority Investors [Member] | Notes to Fund the Company's Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 8.00% |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | Oxford Finance, LLC [Member] | Term Loans [Member] | Domain [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Increase of Interest-Only Periodic Payments Upon Delivery of Executed Term Sheet |  |  |  |  |  |  |  |  | 60 days |  |  |  |  |  |  |  |
Debt Instrument, Increase of Periodic Payments Upon Delivery of Executed Term Sheet |  |  |  |  |  |  |  |  | 240 days |  |  |  |  |  |  |  |
Proceeds from Noncontrolling Interests |  |  |  |  |  |  |  |  | $ 20,000,000 |  |  |  |  |  |  |  |
Restricted Cash, Total |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |
Debt Instrument, Periodic Payment Terms, Increase (Decrease) in Balloon Payment to be Paid |  |  |  |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |  |

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