Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Additional Information (Detail)

Shareholders' Equity - Additional Information (Detail)									3 Months Ended
Shareholders' Equity - Additional Information (Detail)	May 10, 2019	Mar. 09, 2018 shares	Jan. 25, 2018 shares	Jan. 08, 2018 $ / shares shares	Nov. 08, 2017 USD ($) $ / shares shares	Jul. 25, 2017 USD ($) shares $ / shares	May 10, 2017 USD ($) Investor $ / shares shares	Feb. 09, 2017 shares	Dec. 31, 2017 $ / shares shares	Sep. 30, 2017 shares	Jun. 30, 2017 shares	Mar. 31, 2017 USD ($) shares	Mar. 31, 2018 $ / shares shares	Jan. 19, 2018 shares	Jan. 18, 2018 shares	Jan. 31, 2017 shares
Class of Stock [Line Items]
Number of authorized shares of all classes of our capital stock																120,000,000
Common stock, shares authorized									45,000,000				45,000,000	45,000,000		100,000,000
Common stock par value \| $ / shares				$ 0.001					$ 0.001				$ 0.001
Stock issued during period shares reverse stock splits ratio				0.10
Effective date of common stock split				Jan. 19, 2018
Common stock, shares outstanding									4,928,335				5,186,635	4,928,335
Preferred stock, shares authorized									50,000,000				50,000,000
Fractional share from reverse stock split				0
Number of accredited investors \| Investor							3
Scenario, Previously Reported [Member]
Class of Stock [Line Items]
Common stock, shares authorized															450,000,000
Common stock, shares outstanding															49,000,000
Intrexon [Member] \| Unsecured Non-convertible Promissory Note [Member]
Class of Stock [Line Items]
Debt instrument, face amount \| $					$ 2,400,000
Debt instrument, accrued interest \| $					$ 3,400,000
2012 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Class of Stock [Line Items]
Unrecognized compensation expense \| $												$ 69,685
Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares of preferred stock converted		2,583,000
Common Stock [Member]
Class of Stock [Line Items]
Number of shares of common stock issued in connection with conversion of preferred stock		258,300
Series A Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized							12,000,000
Convertible into shares of common stock						1,200,001
Fixed conversion price \| $ / shares						$ 2.50
Voting rights							No voting rights
Series A Preferred Stock [Member] \| Maximum [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $							$ 3,000,000
Series A Preferred Stock [Member] \| Preferred Stock Issued Upon Initial Closing [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $							$ 1,302,000
Warrants to purchase common stock, issued							462,106
Term of warrants							7 years
Non-exercisable term of warrants							6 months
Warrants exercise price per share \| $ / shares							$ 3.10
Series A Preferred Stock [Member] \| Preferred Stock Issued Upon Second Closing [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $						$ 1,698,000
Warrants to purchase common stock, issued						602,414
Term of warrants						7 years
Non-exercisable term of warrants						6 months
Warrants exercise price per share \| $ / shares						$ 3.10
Series B Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized					6,600,000
Convertible into shares of common stock					1,320,002
Fixed conversion price \| $ / shares					$ 2.50
Voting rights					No voting rights
Convertible preferred stock, terms of conversion					Conversion of one share of Series B Preferred Stock into two shares of Common Stock.
Series B Preferred Stock [Member] \| Private Placement [Member]
Class of Stock [Line Items]
Gross proceed of preferred stock \| $					$ 3,300,000
Series B Preferred Stock [Member] \| Private Placement [Member] \| Fall 17 Warrant [Member]
Class of Stock [Line Items]
Warrants to purchase common stock, issued					1,064,518
Term of warrants					7 years
Non-exercisable term of warrants					6 months
Warrants exercise price per share \| $ / shares					$ 3.10
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized					1,000
Preferred stock dividend rate					12.00%
Preferred stock issued as dividend			1.733
Series C Preferred Stock [Member] \| Scenario, Forecast [Member]
Class of Stock [Line Items]
Preferred stock dividend rate	20.00%
Series C Preferred Stock [Member] \| Intrexon [Member]
Class of Stock [Line Items]
Number of shares of common stock issued in connection with conversion of preferred stock					100
Non-employee Directors [Member] \| 2012 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Class of Stock [Line Items]
Restricted shares awarded to each non-employee director								40,000
Restricted shares vest in each quarter end									10,000	10,000	10,000	10,000
Amendment [Member]
Class of Stock [Line Items]
Number of authorized shares of all classes of our capital stock																270,000,000
Common stock, shares authorized																250,000,000
Amendment Two [Member]
Class of Stock [Line Items]
Common stock, shares authorized									450,000,000