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Stockholders' Equity - Schedule of Stock Option Activity (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Equity [Abstract]
Number of Options, Outstanding, Beginning Balance	826,267	299,938
Number of Options, Granted	440,263	534,329
Number of Options, Exercised
Number of Options, Forfeited or cancelled	(15,500)	(8,000)
Number of Options, Outstanding Ending Balance	1,251,030	826,267
Number of Options, Expected to Vest in the Future Ending Balance	446,582
Number of Options, Exercisable	804,448
Number of Options, Vested, Exercisable and Options Expected to Vest Ending Balance	1,251,030
Weighted Average Exercise Price, Outstanding Beginning Balance	$ 2.49	$ 4.57
Weighted Average Exercise Price, Granted	1.46	1.45
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited or cancelled	1.76	4.59
Weighted Average Exercise Price, Outstanding	2.14	$ 2.49
Weighted Average Exercise Price, Expected to Vest	1.66
Weighted Average Exercise Price, Exercisable	2.40
Weighted Average Exercise Price, Vested, Exercisable and Options Expected to Vest	$ 2.14
Weighted Average Remaining Contractual Life, Outstanding Beginning	6 years 5 months 20 days	7 years 3 months 29 days
Weighted Average Remaining Contractual Life, Granted	4 years 10 months 21 days	6 years 6 months 29 days
Weighted Average Remaining Contractual Life, Outstanding	5 years 4 months 28 days	6 years 5 months 20 days
Weighted Average Remaining Contractual Life, Expected to Vest	5 years 26 days
Weighted Average Remaining Contractual Life, Exercisable	5 years 7 months 10 days
Weighted Average Remaining Contractual Life, Vested, Exercisable and Options Expected to Vest	5 years 4 months 28 days
Aggregate Intrinsic Value, Outstanding
Aggregate Intrinsic Value, Options expected to vest in the future
Aggregate Intrinsic Value, Options exercisable
Aggregate Intrinsic Value, Options vested, exercisable and options expected to vest

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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