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Shareholders' Equity Transactions (Tables)
12 Months Ended
Dec. 31, 2013
Equity [Abstract]  
Schedule of warrants pricing assumptions

The fair value of the common stock warrant was estimated to be $2.8 million using the Black-Scholes option pricing model with the following assumptions:

    

Expected dividend yield 4.83%
Risk-free interest rate 2.48%
Expected life 10 years
Expected volatility 35.00%
Weighted average fair value $ 4.47