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

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

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

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Stockholders' Equity - Additional Information (Detail) - USD ($)				9 Months Ended
	Jul. 15, 2018	Jun. 15, 2018	Mar. 13, 2018	Sep. 30, 2018	Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Stock based compensation expense				$ 417,647	$ 1,851,933
Issuance of common stock in payment of dividends on Preferred Stock	$ 60,000			56,548
Issuance of common stock in payment of dividends on Preferred Stock, Shares	184,798
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock in payment of dividends on Preferred Stock				$ 19
Issuance of common stock in payment of dividends on Preferred Stock, Shares				184,798
Two Thousand Fourteen Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options awarded, Shares			570,000
Stock option exercise price			$ 0.2722
Stock-based compensation outstanding common stock options				3,424,000
Total Stock based compensation expense				$ 400,000
Stock-based compensation vested common stock options				1,408,000
Unamortized stock-based compensation				$ 300,000
Two Thousand Fourteen Equity Incentive Plan [Member] \| Black-Scholes Option Pricing Model [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Black-Scholes value			$ 0.22
Stock options awarded, Value			$ 400,000
Two Thousand Fourteen Equity Incentive Plan [Member] \| Independent Board members [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options awarded, Shares			188,000
Stock option exercise price			$ 0.2722
Two Thousand Fourteen Equity Incentive Plan [Member] \| Independent Board members [Member] \| Black-Scholes Option Pricing Model [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Black-Scholes value			$ 0.22
Two Thousand Fourteen Equity Incentive Plan [Member] \| Board Members [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options awarded, Shares			1,100,000
Stock option exercise price			$ 0.2722
Stock option awards		912,000
Exercise Share Price		$ 0.33
Two Thousand Fourteen Equity Incentive Plan [Member] \| Board Members [Member] \| Black-Scholes Option Pricing Model [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Black-Scholes value			$ 0.23
Shares to be issued, price per share		$ 0.273
Two Thousand Fourteen Equity Incentive Plan [Member] \| Former Secretary [Member] \| Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options issued			75,000