Interim Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Stockholders' Equity:
Common stock, par value	$ 0.10	$ 0.10
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	12,110,509	12,028,354
Common stock, shares outstanding	12,110,509	12,028,354
Treasury stock, shares	42,600	42,600