Employee Stock Purchase Plan, Compensation Expense

No definition available.

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- Definition

Employee Stock Purchase Plan, Purchase Price Percentage

+ References

No definition available.

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- Definition

Represents the additional shares that may be authorized for issuance annually under an established share-based compensation plan, expressed as a percentage of the entity's outstanding shares.

+ References

No definition available.

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- Definition

Period after the date the vested equity-based award expires during which an employee continues to have the right to exercise an award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

+ References

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- Definition

Amount of cash inflow from issuance of shares under share-based payment arrangement. Excludes option exercised.

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- Definition

Amount of noncash expense for share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

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.

+ References

No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

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.

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

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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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Stock-based Compensation - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
	Jan. 31, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018	May 31, 2015
Stock-based compensation
Shares of common stock authorized for issuance outstanding (in shares)		4,190,116		4,190,116		3,585,856
Employee Stock Purchase Plan, Purchase Price Percentage				85.00%
Issuance for employee stock purchase plan, shares				32,826
Proceeds from issuances of common stock from employee stock purchase plans				$ 444,000	$ 510,000
Employee Stock Purchase Plan, Compensation Expense		$ 73,000	$ 120,000	173,000	242,000
Share-based Compensation				$ 8,425,000	$ 6,254,000
Maximum
Stock-based compensation
Period following termination date vested options are exercisable				3 months
Performance share units
Stock-based compensation
Vesting period	3 years
Share-based Compensation		27,000		$ 42,000
Restricted Stock Awards And Restricted Stock Units
Stock-based compensation
Unrecognized compensation cost related to outstanding options		$ 34,447		$ 34,447
Period over which unrecognized compensation cost is expected to be recognized as expense				2 years 8 months 12 days
2014 Stock Incentive Plan
Stock-based compensation
Shares of common stock authorized for issuance (in shares)							2,700,000
Shares of common stock remaining available for future grant		1,261,162		1,261,162
Increase in number of authorized shares on the first day of each fiscal year, as a percentage of outstanding common stock (as a percent)				4.00%
Vesting period				4 years
Contractual life				10 years
2014 Stock Incentive Plan \| Minimum
Stock-based compensation
Period following termination date vested options are exercisable				1 year