Note 1 - Description of Business and Basis of Presentation (Details Textual)
$ / shares in Units, $ in Thousands |
|
|
|
1 Months Ended |
12 Months Ended |
|
|
Aug. 22, 2016
shares
|
Aug. 03, 2016
USD ($)
$ / shares
shares
|
Mar. 04, 2016
shares
|
Feb. 29, 2016
USD ($)
shares
|
Jun. 30, 2016
USD ($)
shares
|
Jun. 30, 2015
USD ($)
shares
|
Jun. 30, 2014
USD ($)
|
| Reverse Stock Split [Member] |
|
|
|
|
|
|
|
| Stockholders' Equity Note, Stock Split, Conversion Ratio |
|
|
20
|
|
|
|
|
| Subsequent Event [Member] |
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues | shares |
|
600,000
|
|
|
|
|
|
| Shares Issued, Price Per Share | $ / shares |
|
$ 4.10
|
|
|
|
|
|
| Proceeds from Issuance of Common Stock |
|
$ 2,200
|
|
|
|
|
|
| Debt Conversion, Converted Instrument, Shares Issued | shares |
6,102,941
|
|
|
|
|
|
|
| Common Stock, Shares Authorized | shares |
|
|
350,000,000
|
|
350,000,000
|
350,000,000
|
|
| Stock Issued During Period, Shares, New Issues | shares |
|
|
|
735,294
|
|
|
|
| Proceeds from Issuance of Common Stock |
|
|
|
|
$ 2,463
|
|
|
| Cash and Cash Equivalents, at Carrying Value |
|
|
|
|
5,835
|
3,357
|
$ 14,811
|
| Working Capital |
|
|
|
|
7,301
|
|
|
| Retained Earnings (Accumulated Deficit) |
|
|
|
|
(156,262)
|
(137,674)
|
|
| Gross Proceeds from Financing Transaction |
|
|
|
$ 15,000
|
|
|
|
| Repayments of Convertible Debt |
|
|
|
7,500
|
$ 6,444
|
|
|
| Net Proceeds from Financing Transaction |
|
|
|
$ 7,300
|
|
|
|