Interim Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Mar. 31, 2017	Dec. 31, 2016
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	11,498,423	11,462,484
Treasury stock, shares	42,600	42,600