Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Net number of share options (or share units) granted during the period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Equity Incentive Plans - Additional Information (Details) - USD ($)	1 Months Ended			3 Months Ended		6 Months Ended
	Sep. 30, 2016	Dec. 31, 2010	Dec. 31, 2006	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Nov. 30, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation				$ 1,229,353	$ 1,684,390	$ 2,159,510	$ 2,703,078
Service Period Stock Options \| CEO
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						4 years
2006 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, number of shares granted			624,223
Vesting period			5 years
Stock options, available for grant				0		0
2010 Stock Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, number of shares granted		2,146,320
Stock options, available for grant		2,220,280		0		0
2010 Stock Plan \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		2 years
2010 Stock Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		4 years
Options granted maximum contractual terms						10 years
2014 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options, available for grant	3,979,200			2,073,286		2,073,286		1,479,200
Stock options, number of additional shares granted	2,500,000
2014 Omnibus Incentive Plan \| Restricted Stock Units \| Employee
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						3 years
2014 Omnibus Incentive Plan \| Restricted Stock Units \| Non-employee Director
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period						1 year