Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares $ / shares in Thousands |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2019 |
Dec. 31, 2018 |
|
| Common shares, par value (in dollars per share) | $ 0 | $ 0 |
| Common shares, authorized | Unlimited | Unlimited |
| Common shares, issued (in shares) | 12,006,874 | 11,956,874 |
| Common shares, outstanding (in shares) | 12,006,874 | 11,956,874 |