Annual report pursuant to Section 13 and 15(d)

Nature of Business and Significant Accounting Policies (Details Narrative)

v3.20.4
Nature of Business and Significant Accounting Policies (Details Narrative)
$ in Thousands
12 Months Ended
Jan. 15, 2020
Dec. 31, 2019
USD ($)
Segment
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Jan. 02, 2019
USD ($)
Number of reportable segments | Segment   1            
Reduction of revenues   $ 3,500            
Non-cash impairment charge         $ 12,000      
Amortization expense   3,989 $ 3,589          
Asset impairment         11,600      
Barrett's and Thyroid Intangible Assets [Member]                
Amortization expense   $ 340 $ 340 $ 340 $ 2,000 $ 2,300 $ 700  
ASU Topic 606 [Member]                
Cumulative catch-up adjustment under modified retrospective method               $ 2,500
Minimum [Member]                
Finite-lived intangible asset, useful life   2 years            
Maximum [Member]                
Finite-lived intangible asset, useful life   9 years            
Furniture and Fixtures [Member] | Minimum [Member]                
Property, plant and equipment, useful life   7 years            
Furniture and Fixtures [Member] | Maximum [Member]                
Property, plant and equipment, useful life   10 years            
Office and Computer Equipment [Member] | Minimum [Member]                
Property, plant and equipment, useful life   2 years            
Office and Computer Equipment [Member] | Maximum [Member]                
Property, plant and equipment, useful life   5 years            
Lab Equipment [Member] | Minimum [Member]                
Property, plant and equipment, useful life   3 years            
Lab Equipment [Member] | Maximum [Member]                
Property, plant and equipment, useful life   7 years            
Leasehold Improvements [Member] | Minimum [Member]                
Property, plant and equipment, useful life   4 years            
Leasehold Improvements [Member] | Maximum [Member]                
Property, plant and equipment, useful life   5 years            
Software for Internal Use [Member] | Minimum [Member]                
Property, plant and equipment, useful life   3 years            
Software for Internal Use [Member] | Maximum [Member]                
Property, plant and equipment, useful life   7 years            
Software for External Use [Member]                
Property, plant and equipment, useful life   3 years            
Subsequent Event [Member]                
Decreased issued and outstanding description The Company effected a one-for-ten reverse split of its issued and outstanding shares of its common stock (the "Reverse Stock Split"). Every 10 shares of common stock issued and outstanding were automatically combined into one share of issued and outstanding common stock, without any change in the par value per share. The Company's issued and outstanding stock decreased from 39,205,895 to 3,920,589 and 28,694,275 to 2,869,427 at December 31, 2019 and 2018, respectively.