Investments - Strategic Investments (Details) - USD ($)	Dec. 31, 2016	Jun. 30, 2014
Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	$ 2,072,000
Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Strategic investments	0	$ 500,000
September 2016 investment | Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	500,000
April 2016 investment | Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	112,000
December 2015 investment | Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	350,000
July 2015 investment | Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	250,000
May 2015 investment | Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	500,000
September 2014 investment | Equity Securities
Schedule of Available-for-sale Securities [Line Items]
Cost Method Investments	$ 360,000