Interim Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares |
Sep. 30, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Stockholders' Equity: | ||
| Common stock, par value (in dollars per share) | $ 0.10 | $ 0.10 |
| Common stock, shares authorized | 20,000,000 | 20,000,000 |
| Common stock, shares outstanding | 11,460,184 | 11,392,236 |
| Treasury stock, shares | 42,600 | 42,600 |