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Stock-based Compensation - Summary of activity of stock options (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2012
Dec. 31, 2012
Notes To Financial Statements (Details)    
Number of Shares Outstanding 83,750 80,000
Weighted Average Exercise Price Per Share $ 6.42 $ 6.52
Weighted Aggregate Average Remaining Contract Life in Years 8 years 237 days 8 years 99 days
Intrinsic Value $ 127,363   
Vested - Shares Outstanding   30,000
Vested - Weighted Average Exercise Price Per Share   $ 6.42
Vested - Weighted Aggregate Average Remaining Contract Life in Years   8 years 26 days
Vested - Intrinsic Value   550
Exercisable - Shares Outstanding   30,000
Exercisable - Weighted Average Exercise Price Per Share   $ 6.42
Exercisable - Weighted Aggregate Average Remaining Contract Life in Years   8 years 26 days
Exercisable - Intrinsic Value   $ 550