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Consolidated Statements of Changes In Shareholders' Equity (USD $) In Thousands, except Share data | Total | Ordinary Shares [Member] | Additional Paid-In Capital [Member] | Treasury Shares [Member] | Retained Earnings [Member]
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2011 | $ 64,274us-gaap_StockholdersEquity | $ 20us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | $ 35,245us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (38)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ 29,047us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance, shares at Dec. 31, 2011 |  | 6,925,088us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Exercise of options | 277us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised | 1us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 276us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Exercise of options, shares | 82,338us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 82,338us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Share-based compensation | 544us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 544us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Net income | 9,871us-gaap_NetIncomeLoss |  |  |  |  | 9,871us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance at Dec. 31, 2012 | 74,966us-gaap_StockholdersEquity | 21us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 36,065us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (38)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 38,918us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance, shares at Dec. 31, 2012 |  | 7,007,426us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Exercise of options | 1,893us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | [1] | 1,893us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Exercise of options, shares | 132,587us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 132,587us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Share-based compensation | 668us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 668us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Dividend | (3,913)us-gaap_Dividends |  |  |  |  | (3,913)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Net income | 17,077us-gaap_NetIncomeLoss |  |  |  |  | 17,077us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance at Dec. 31, 2013 | 90,691us-gaap_StockholdersEquity | 21us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | 38,626us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | (38)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | 52,082us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance, shares at Dec. 31, 2013 |  | 7,140,013us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Exercise of options | 1,353us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised |  | [1] | 1,353us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Exercise of options, shares | 78,620us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 78,620us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
Share-based compensation | 1,266us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue |  |  | 1,266us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember |  |
Dividend | (7,300)us-gaap_Dividends |  |  |  |  | (7,183)us-gaap_Dividends / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Net income | 14,605us-gaap_NetIncomeLoss |  |  |  |  | 14,605us-gaap_NetIncomeLoss / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance at Dec. 31, 2014 | $ 100,732us-gaap_StockholdersEquity | $ 21us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  | $ 41,245us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_AdditionalPaidInCapitalMember | $ (38)us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember | $ 59,504us-gaap_StockholdersEquity / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember
Balance, shares at Dec. 31, 2014 |  | 7,218,633us-gaap_SharesOutstanding / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |  |  |  |
[1] | Less than 1 thousand.

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