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Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeiture Rate

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other Than Options, Number of Individuals Receiving Grants in Period

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Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Issued, Weighted Average Grant Date Fair Value

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Significant Grants and Cancellations [Abstract]

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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- Definition

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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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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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.

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No definition available.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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- Definition

Weighted average price of options that were either forfeited or expired.

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- Definition

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

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No definition available.

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

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Number of share instruments newly issued under a share-based compensation plan.

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- Definition

Percentage of vesting of share-based compensation awards.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Details)									1 Months Ended	6 Months Ended	12 Months Ended
Stock-Based Compensation - Narrative (Details)	Jul. 07, 2017 $ / shares shares	Jun. 19, 2017 $ / shares shares	Apr. 01, 2017 $ / shares shares	Feb. 15, 2017 $ / shares shares	Feb. 07, 2017 $ / shares shares	Nov. 01, 2016 employee $ / shares shares	Apr. 01, 2016 $ / shares shares	Aug. 04, 2015 $ / shares shares	Aug. 11, 2017 $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) shares
Compensation Expense
Stock based compensation \| $											$ 1,279,807	$ 1,264,266
Compensation cost related to non vested awards not yet recognized \| $										$ 1,211,197	$ 1,211,197
Average remaining expense recognition period											1 year
Award Information and Activity
Number of options outstanding (in shares)										264,246	264,246	264,246
Number of options exercisable (in shares)										264,246	264,246
Intrinsic value of options exercisable \| $										$ 0	$ 0
Weighted average exercise price (in usd per share) \| $ / shares										$ 2.84	$ 2.84
Weighted average remaining contractual term											3 years 2 months 1 day
Options forfeited and expired in period (in shares)											0
Forfeited, expired or cancelled (in usd per share) \| $ / shares											$ 0.00
Granted in period											0	0
Expected dividend yield											0.00%
Options
Award Information and Activity
Expected forfeiture rate											0.00%
Restricted stock units \| Board of Directors
Significant Grants and Cancellations
Equity instruments other than options, grants in period (in shares)						22,936	63,160
Granted (in usd per share) \| $ / shares						$ 1.02	$ 1.90
Number of new members receiving grants in period \| employee						2
Restricted stock units \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option and restricted stock unit vesting period					3 years
Significant Grants and Cancellations
Equity instruments other than options, grants in period (in shares)	20,000			20,520	186,828
Granted (in usd per share) \| $ / shares	$ 1.02			$ 1.62	$ 1.65
Restricted stock units \| Board of Directors
Significant Grants and Cancellations
Equity instruments other than options, grants in period (in shares)			116,280
Granted (in usd per share) \| $ / shares			$ 1.29
Service based RSUs \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option and restricted stock unit vesting period								3 years
Service based RSUs \| Share-based Compensation Award, Tranche One \| Employee
Significant Grants and Cancellations
Percentage of award vesting rights								25.00%
Service based RSUs \| Share-based Compensation Award, Tranche Two \| Employee
Significant Grants and Cancellations
Percentage of award vesting rights								25.00%
Service based RSUs \| Share-based Compensation Award, Tranche Three \| Employee
Significant Grants and Cancellations
Percentage of award vesting rights								50.00%
Restricted Stock Units (RSUs) and Performance Restricted Stock Units (RSUs) \| Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option and restricted stock unit vesting period	3 years	3 years
Significant Grants and Cancellations
Equity instruments other than options, grants in period (in shares)		125,000						965,500
Granted (in usd per share) \| $ / shares		$ 1.04						$ 3.03
Shares issued in period (in shares)									294,152
Weighted average fair value (in usd per share) \| $ / shares									$ 1.00
Restricted Stock Units (RSUs) and Performance Restricted Stock Units (RSUs) \| Former NetSeer Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option and restricted stock unit vesting period		3 years
Significant Grants and Cancellations
Equity instruments other than options, grants in period (in shares)		400,000
Equity instruments other than options, canceled in period (in shares)										92,487
Restricted Stock Units- Performance Based \| Share-based Compensation Award, Tranche One \| Employee
Significant Grants and Cancellations
Percentage of award vesting rights								33.33%
Restricted Stock Units- Performance Based \| Share-based Compensation Award, Tranche Two \| Employee
Significant Grants and Cancellations
Percentage of award vesting rights								33.33%
Restricted Stock Units- Performance Based \| Share-based Compensation Award, Tranche Three \| Employee
Significant Grants and Cancellations
Percentage of award vesting rights								33.33%
Maximum \| Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option and restricted stock unit vesting period											3 years