Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity - Additional Information (Detail)

Shareholders' Equity - Additional Information (Detail)													3 Months Ended					9 Months Ended	12 Months Ended
Shareholders' Equity - Additional Information (Detail)	May 10, 2019	Aug. 01, 2018 shares	Jul. 17, 2018 USD ($) $ / shares shares	Jun. 22, 2018 shares	Apr. 06, 2018 $ / shares shares	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	Sep. 30, 2018 USD ($) $ / shares shares	Dec. 31, 2017 $ / shares shares	Sep. 30, 2017 shares	Jun. 30, 2017 shares	Mar. 31, 2017 shares	Sep. 30, 2018 USD ($) $ / shares shares	Dec. 31, 2017 $ / 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									200,000,000	200,000,000				200,000,000	200,000,000	45,000,000		100,000,000
Common stock par value \| $ / shares								$ 0.001					$ 0.001	$ 0.001				$ 0.001	$ 0.001
Stock issued during period shares reverse stock splits ratio								0.1
Effective date of common stock split								Jan. 19, 2018
Common stock, shares outstanding													18,419,135	4,928,335				18,419,135	4,928,335	4,900,000
Preferred stock, shares authorized													50,000,000	50,000,000				50,000,000	50,000,000
Fractional share from reverse stock split								0
Warrants granted			13,800,000		900,000													14,700,000	2,177,425
Sale of stock, price per share \| $ / shares					$ 0.001
Warrant exercise price \| $ / shares					$ 2.00
Common stock issued during period					900,000
Common stock issued, offering price per share \| $ / shares					$ 2.00
Term of warrants					5 years
Non-exercisable term of warrants					6 months
Warrants exercise price per share \| $ / shares					$ 2.00
Shares of common stock callable by warrants issued			13,800,000
Net proceeds from public offering \| $			$ 12,400,000
Proceeds from public offering \| $			$ 13,800,000
Number of accredited investors \| Investor											3
Increase decrease in common stock			4.99%
Notice Period			61 days
Underwriter [Member]
Class of Stock [Line Items]
Warrants granted			1,800,000
Common stock issued during period			1,800,000
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
Maximum [Member]
Class of Stock [Line Items]
Increase decrease in common stock			9.99%
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				4,000								4,000
Restricted shares vest in each quarter end														1,000	1,000	1,000	1,000
Common Stock [Member]
Class of Stock [Line Items]
Common stock issued during period			4,436,000
Share price per unit \| $ / shares			$ 3.00
Proceeds from public offering \| $																		$ 2,300,000
Partial consideration for acquisition of certain services		12,500
Conversion price \| $ / shares			$ 1.00
Trading period			30 days
Average trading volume for measurement \| $			$ 175,000
Warrant [Member]
Class of Stock [Line Items]
Proceeds from public offering \| $																		6,500,000
Series D Preferred Stock [Member]
Class of Stock [Line Items]
Total preferred stock issued			9,364,000
Proceeds from public offering \| $																		5,000,000
Deemed dividend on Series D preferred stock \| $													$ 1,412,041					$ 1,412,041
Convertible into shares of common stock													7,868,000					7,868,000
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]
Total preferred stock issued						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
Preferred stock, par value \| $ / shares											$ 0.001
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]
Term of warrants											7 years
Non-exercisable term of warrants											6 months
Warrants exercise price per share \| $ / shares											$ 3.10
Shares of common stock callable by warrants issued											462,106
Gross proceed of preferred stock \| $											$ 1,302,000
Series A Preferred Stock [Member] \| Preferred Stock Issued Upon Second Closing [Member]
Class of Stock [Line Items]
Term of warrants										7 years
Non-exercisable term of warrants										6 months
Warrants exercise price per share \| $ / shares										$ 3.10
Shares of common stock callable by warrants issued										602,414
Gross proceed of preferred stock \| $										$ 1,698,000
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
Preferred stock, par value \| $ / shares									$ 0.001
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] \| Fall 17 Warrant [Member] \| Private Placement [Member]
Class of Stock [Line Items]
Warrants exercise price per share \| $ / shares									$ 3.10
Shares of common stock callable by warrants issued									1,064,518
Term of warrants									7 years
Non-exercisable term of warrants									6 months
Series C Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized									1,000
Preferred stock, par value \| $ / shares									$ 0.001
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]
Total preferred stock issued									100
Scenario, Previously Reported [Member]
Class of Stock [Line Items]
Common stock, shares authorized																					450,000,000
Common stock, shares outstanding																					49,000,000
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				200,000,000																		250,000,000
Amendment Two [Member]
Class of Stock [Line Items]
Common stock, shares authorized														450,000,000					450,000,000
Capital Unit, Class A [Member]
Class of Stock [Line Items]
Share price per unit \| $ / shares			$ 1.00
Number of common stock consist in each unit			1
Common stock warrants term			7 years
Number of warrant consist in each unit			1
Warrants exercise price per share \| $ / shares			$ 1.00
Capital Unit, Class B [Member]
Class of Stock [Line Items]
Share price per unit \| $ / shares			$ 1.00
Common stock warrants term			7 years
Number of warrant consist in each unit			1
Warrants exercise price per share \| $ / shares			$ 1.00
Capital Unit, Class B [Member] \| Series D Preferred Stock [Member]
Class of Stock [Line Items]
Number of preferred stock consist in each unit			1
Shares of common stock callable by warrants issued			1
Preferred stock, par value \| $ / shares			$ 0.001