Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

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Stockholders' Equity (Details) (USD $)
 1 Months Ended 6 Months Ended 0 Months Ended
Apr. 29, 2013
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Jun. 30, 2013
2013 Equity Compensation Plan [Member]
Mar. 08, 2013
IPO [Member]
Stockholders Equity [Line Items]            
Net proceeds from initial public offering, shares           2,625,000
Net proceeds from initial public offering   $ 17,717,034       $ 21,000,000
Shares issued, price per share           $ 8.00
Proceeds from IPO, net of offering costs   19,474,565        18,100,000
The maximum underwriter fees expressed as a percentage of gross proceeds from the sale of the firm shares and offering expenses payable by the company           1.50%
Preferred stock, shares authorized   1,000,000        
Number of common shares issuable under warrant           131,250
Exercise price of warrant issued           10.00
Warrant expiration date           Mar. 04, 2019
Common stock, shares authorized   25,000,000   25,000,000    
Common stock, shares outstanding   6,318,227   3,487,847    
Number of shares authorized for issuance under equity incentive plan         500,000  
Distributions made to members of the LLC   200,000 1,450,000      
Stock repurchase program, authorized amount $ 1,000,000