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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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Amount remaining of a stock repurchase plan authorized.

+ References

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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