Corporate Overview - Additional Information (Detail) - USD ($)		6 Months Ended
	May 25, 2016	Jun. 30, 2016	Dec. 31, 2015
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, par value		$ 0.0001	$ 0.0001
Stock issued during period, value, new issues		$ 2,664,900
Finders Arrangements [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Stock issued during period, value, new issues		$ 582,500
Stock issued during period, shares, new issues		466,000
Commission paid to agents		$ 46,600
Mayne Pharma Ventures Pty LTD [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Warrants issued to purchase common stock		28,364,236
Mayne Pharma Ventures Pty LTD [Member] | Securities Purchase Agreement [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Stock issued during period, value, new issues		$ 2,788,500
Stock issued during period, shares, new issues		27,885,000
Aggregate number of common stock and warrants issued		27,885,000
Warrants issued to purchase common stock		27,885,000
Mayne Pharma Ventures Pty LTD [Member] | Finders Arrangements [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Stock issued during period, value, new issues		$ 47,924
Warrants issued to purchase common stock		479,236
Accredited Investor [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Common stock, par value	$ 0.0001
Shares issued, price per share	$ 0.10
Number of securities into which each warrant or right converted	1
Number of securities into which the class of warrant or right converted	1
Warrant expiration period	5 years
Exercise price of warrants	$ 0.12
Private Placement [Member] | Accredited Investor [Member]
Organization Consolidation And Presentation Of Financial Statements Disclosure [Line Items]
Stock issued during period, value, new issues	$ 5,500,000
Stock issued during period, shares, new issues	55,000,000