Stockholders' Equity - Common Stock - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended
	May 07, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Nov. 30, 2017
Options Granted [Line Items]
Common stock, shares issued		24,456,914		24,431,914
Proceeds from issuance of common stock, net		$ 21,250	$ 636,432
Options Granted [Member]
Options Granted [Line Items]
Number of stock options granted		875,000
Options Granted [Member] | Gimoti [Member]
Options Granted [Line Items]
Percentage of options began vesting		50.00%
FBR Sales Agreement [Member]
Options Granted [Line Items]
Common stock, shares issued		0	450,000
Common stock , weighted average price per share			$ 1.44
Proceeds from issuance of common stock, net			$ 636,000
FBR Sales Agreement [Member] | Subsequent Event [Member]
Options Granted [Line Items]
Common stock, shares issued	245,676
Common stock , weighted average price per share	$ 1.31
Proceeds from issuance of common stock, net	$ 316,000
FBR Sales Agreement [Member] | Maximum [Member]
Options Granted [Line Items]
Common stock, value of shares issuable					$ 16,000,000