Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

v3.8.0.1
Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended
Jun. 27, 2016
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Dec. 31, 2016
ProBiora Health, LLC [Member] | Discontinued Operations Disposed of by Sale [Member]          
Related Party Transaction [Line Items]          
Sales price of business $ 1,700,000        
Cash received from sale of business 1,250,000        
Receivable from sale of business $ 450,000        
Interest rate 1.00%        
Contingent consideration payment period 10 years        
Contingent consideration       $ 0 $ 0
ProBiora Health, LLC [Member] | Discontinued Operations Disposed of by Sale [Member] | Maximum [Member]          
Related Party Transaction [Line Items]          
Contingent consideration $ 2,000,000        
Intrexon [Member] | Exclusive Channel Collaboration Agreements [Member]          
Related Party Transaction [Line Items]          
Cash paid to Intrexon Corporation   $ 78,606 $ 524,620    
Accounts payable and accrued expenses   $ 62,316   $ 39,457  
Principal Owner [Member] | Intrexon [Member]          
Related Party Transaction [Line Items]          
Percentage of outstanding common stock   29.80% 33.20%