Fair Market Value of Incentive Stock Options

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- Definition

Fair value of common stock

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- Definition

Percentage of individual ownership of common stock

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Options, Percentage Vested

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Nonvested, Weighted Average Remaining Contractual Term

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- Definition

Stock Option Vesting Period From Grant Date

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- Definition

Amount of increase to additional paid-in capital (APIC) from recognition of equity-based compensation.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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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

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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- Definition

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

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- Definition

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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- Definition

Number of share options (or share units) exercised during the current period.

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Stockholders' Equity - Stock Options (Details Textual) - USD ($)		3 Months Ended		9 Months Ended		12 Months Ended
	Aug. 22, 2011	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Jun. 21, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period		0	0	0	0
Fair value of common stock				$ 1.59
Percentage of individual ownership of common stock (percentage)	10.00%
Share-based compensation arrangement by share-based payment award, options, outstanding, intrinsic value		$ 31,009		$ 31,009
Share-based compensation arrangement by share-based payment award, options, exercisable, intrinsic value		$ 466		$ 466
Equity Incentive 2011 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period				0		0
Common stock, capital shares reserved for future issuance (shares)		250,214		250,214				500,000
Weighted average remaining years to vest				2 years 9 months		2 years 8 months	2 years 7 months
Equity Incentive B 2011 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (shares)	4,375	1,875		1,875
May 2011 and August 2011 Equity Incentive Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair market value of incentive stock options (percentage)	100.00%
Stock option vesting period from grant date	10 years
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition (in dollars)		$ 118,410	$ 182,796	$ 468,042	$ 509,642
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized		461,976		461,976
Investor Relations Services [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, capital shares reserved for future issuance (shares)								1,500,000
Individual Stock Ownership in Excess of 10 Percent [Member] \| May 2011 and August 2011 Equity Incentive Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair market value of incentive stock options (percentage)	110.00%
Twelve Months After Grant Date [Member] \| May 2011 and August 2011 Equity Incentive Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option vesting period from grant date	1 year
Share-based compensation arrangement by share-based payment award, equity instruments options, percentage vested (pecentage)	25.00%
Monthly in equal installments [Member] \| Employee Stock Option [Member] \| May 2011 and August 2011 Equity Incentive Plans [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, award vesting period (in years)	3 years
Selling and Marketing Expense [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition (in dollars)		15,097	14,837	60,396	45,331
General and Administrative Expense [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition (in dollars)		99,527	$ 167,959	393,136	$ 464,311
Cost of revenue [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition (in dollars)		$ 3,786		$ 14,510