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Stockholders' Equity (Details 6) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Feb. 16, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2018 | Jun. 30, 2017
Stock Repurchased During Period, Shares | 14,050 | [1] | 19,750 | [1] | 52,300 | [1] | 34,800 | [1] | 109,000 | 7,250 | [1] |  | 54,200 | [1] | 25,508 | [1] | 120,900 | [1] | 195,958 | [1]
Treasury Stock Acquired, Average Cost Per Share | $ 1.73 |  | $ 1.29 |  | $ 1.21 |  | $ 1.14 |  | $ 1.00 | $ 1.10 |  | $ 2.00 | $ 1.03 |  | $ 1.04 |  | $ 1.26 |  | $ 1.02 |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 250,216 |  | $ 274,523 |  | $ 0 |  | $ 0 |  | $ 0 | $ 0 |  |  | $ 0 |  | $ 0 |  | $ 250,216 |  | $ 0 |
Publicly Announced Plans Or Programs [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchased During Period, Shares | 0 |  | 0 |  | 0 |  | 0 |  | 0 | 0 |  |  | 0 |  | 0 |  | 0 |  | 0 |
[1] | Consists of shares of common stock purchased from employees to satisfy tax obligations in connection with the vesting of stock incentive awards.

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