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STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $)
In Thousands, except Share data
Common Stock [Member]
Additional Paid-In Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Total
Balance at Dec. 31, 2009 $ 683 $ 101,099 $ 74 $ (44,668) $ 0 $ 57,188
Balance (in shares) at Dec. 31, 2009 31,936,426          
Exercise of stock options 19 1,320 0 0 0 1,339
Exercise of stock options (in shares) 685,564          
Issuance of Ordinary shares and warrants (net of issuance expenses $ 1,080) 92 20,198 0 0 0 20,290
Issuance of Ordinary shares and warrants (net of issuance expenses $ 1,080) (in shares) 3,287,616          
Stock-based compensation expenses 0 300 0 0 0 300
Other comprehensive income 0 0 373 0 0 373
Net income 0 0 0 9,375 0 9,375
Balance at Dec. 31, 2010 794 122,917 447 (35,293) 0 88,865
Balance (in shares) at Dec. 31, 2010 35,909,606          
Exercise of stock options 14 861 0 0 0 875
Exercise of stock options (in shares) 580,414          
Stock-based compensation expenses 0 633 0 0 0 633
Cost related to issuance of Ordinary shares 0 (21) 0 0 0 (21)
Non-controlling interest as part of acquisitions 0 0 0 0 1,766 1,766
Acquisition of non-controlling interests 0 226 0 0 (1,466) (1,240)
Other comprehensive income 0 0 (466) 0 (53) (519)
Net income 0 0 0 15,044 222 15,266
Balance at Dec. 31, 2011 808 124,616 (19) (20,249) 469 105,625
Balance (in shares) at Dec. 31, 2011 36,490,020          
Exercise of stock options 3 306 0 0 0 309
Exercise of stock options (in shares) 136,708          
Stock-based compensation expenses 0 515 0 0 0 515
Dividend 0 0 0 (3,661) 0 (3,661)
Acquisition of non-controlling interests 0 (149) 0 0 (165) (314)
Other comprehensive income 0 0 (567) 0 3 (564)
Net income 0 0 0 16,183 24 16,460
Balance at Dec. 31, 2012 $ 811 $ 125,288 $ (586) $ (7,727) $ 331 $ 118,117
Balance (in shares) at Dec. 31, 2012 36,626,728