Stockholders' Equity (Details Textual) (USD $)	12 Months Ended							1 Months Ended	12 Months Ended		1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Equity Offering Sales Agreement [Member]	Dec. 31, 2012 Intrexon [Member]	Dec. 31, 2012 Prev Abr Llc [Member]	Dec. 31, 2013 Cedars-Sinai Medical Center [Member]	Dec. 31, 2012 Warrant [Member]	Dec. 31, 2013 IPO [Member]	Dec. 31, 2013 IPO [Member]	Dec. 31, 2012 IPO [Member]	Oct. 31, 2012 Private Placement [Member]
Stockholders Equity [Line Items]
Stock Issued During Period, Shares, New Issues								13,225,000			6,750,000
Common Stock, Closing Price, Per Share								$ 1.00			$ 1.60
Proceeds from Issuance of Private Placement											$ 10,800,000
Noninterest Expense Offering Cost								1,000,000			680,000
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period									291,667	374,851
Proceeds from Stock Options Exercised	231,000	127,000
Share-based Compensation Arrangement by Share-based Payment Award, Other than Options, Exercises in Period	0	1,768,167					1,768,167
Proceeds from Issuance of Common Stock for Exclusive Channel Collaboration Agreement							2,000,000
Stock Issued During Period, Shares, Acquisitions					625,000	334,911					3,125,000
Equity Issued in Business Combination, Fair Value Disclosure				7,800,000	1,200,000	425,000
Sale of Stock for Channel Agreement Price, Per Share				$ 2.20	$ 1.87	$ 1.27
Proceeds from Issuance Initial Public Offering			$ 15,000,000					$ 13,200,000
Stock Issued During Period, Shares for Exclusive Channel Collaboration Agreement				3,552,210