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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) (USD $)
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 28, 2014
Mar. 31, 2015
Dec. 31, 2014
Issuance of shares (in dollars per share) $ 0.60us-gaap_EquityIssuancePerShareAmount $ 2.00us-gaap_EquityIssuancePerShareAmount $ 0.60us-gaap_EquityIssuancePerShareAmount