Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Equity Transactions - Additional Information (Detail)

v3.3.1.900
Equity Transactions - Additional Information (Detail)
1 Months Ended 12 Months Ended
Dec. 30, 2015
shares
Jun. 16, 2015
USD ($)
Director
$ / shares
shares
Apr. 16, 2015
USD ($)
Director
$ / shares
shares
Oct. 27, 2014
USD ($)
$ / shares
shares
Apr. 15, 2014
USD ($)
Director
$ / shares
shares
Aug. 31, 2014
USD ($)
$ / shares
shares
Mar. 31, 2013
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
$ / shares
shares
Dec. 31, 2013
USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Sale of Common stock | shares           8,050,000 3,322,500      
Share price | $ / shares           $ 4.60 $ 3.00      
Gross proceeds           $ 37,000,000 $ 10,000,000      
Net proceeds from public offering           34,300,000 9,200,000   $ 34,254,000 $ 9,018,000
Underwriting fees and offering costs           $ 2,700,000 $ 800,000      
Restricted Stock [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Number of directors | Director   2 4              
Restricted stock granted | shares         125,000     11,440 138,500  
Fair market value restricted stock         $ 381,250          
Restricted stock price per share | $ / shares         $ 3.05     $ 5.08 $ 3.07  
Stock compensation expense               $ 127,000 $ 91,000  
Restricted Stock [Member] | Director One [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Restricted stock granted | shares   1,560 2,080              
Fair market value restricted stock   $ 9,079 $ 10,025              
Restricted stock price per share | $ / shares   $ 5.82 $ 4.82              
Restricted Stock [Member] | Director Two [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Restricted stock granted | shares   1,560 2,080              
Fair market value restricted stock   $ 9,079 $ 10,025              
Restricted stock price per share | $ / shares   $ 5.82 $ 4.82              
Restricted Stock [Member] | Director Three [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Restricted stock granted | shares     2,080              
Fair market value restricted stock     $ 10,025              
Restricted stock price per share | $ / shares     $ 4.82              
Restricted Stock [Member] | Director Four [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Restricted stock granted | shares     2,080              
Fair market value restricted stock     $ 10,025              
Restricted stock price per share | $ / shares     $ 4.82              
Restricted Stock [Member] | Independent Directors [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Number of directors | Director         4          
Restricted stock granted | shares         3,000          
Fair market value restricted stock         $ 9,150          
Restricted stock price per share | $ / shares         $ 3.05          
Stock compensation expense                 36,000  
Restricted Stock Issued | shares         12,000          
Restricted Stock [Member] | Director [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Restricted stock granted | shares       1,500            
Fair market value restricted stock       $ 7,365            
Restricted stock price per share | $ / shares       $ 4.91            
Stock compensation expense                 $ 2,000  
Clarient, Inc. [Member]                    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                    
Business acquisition, purchase price payment in share | shares 15,000,000