Fair Value of Financial Instruments Fair Value of Financial Instruments (Tables)

3 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Fair value of financial assets, included in cash and cash equivalents, is as follows:

	Estimated Fair Value Measurements						Total Fair
	Level 1		Level 2		Level 3		Value
September 30, 2015
Financial Assets:
Money market funds	$	48,819	$	—	$	—	$	48,819
June 30, 2015
Financial Assets:
Money market funds	$	98,888	$	—	$	—	$	98,888