XML 76 R47.htm IDEA: XBRL DOCUMENT v3.20.1
Credit Facilities (5.00% Notes) (Details)
3 Months Ended
Feb. 24, 2020
USD ($)
$ / shares
Apr. 03, 2019
USD ($)
day
$ / shares
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Mar. 04, 2020
Dec. 31, 2019
USD ($)
Aug. 09, 2018
USD ($)
Nov. 02, 2015
USD ($)
Line of Credit Facility [Line Items]                
Gain (loss) on extinguishment of debt     $ (730,000) $ 0        
Stock trigger price (usd per share) | $ / shares   $ 6.61            
Maximum equity owned by Investor     9.50%          
Carrying value     $ 182,661,000     $ 182,666,000    
Convertible notes                
Line of Credit Facility [Line Items]                
Debt, conversion option     $ 3,600,000.0          
New 5.00% Note                
Line of Credit Facility [Line Items]                
Debt instrument, stated interest rate     5.00%          
New 5.00% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Debt instrument, stated interest rate   5.00%            
Gain (loss) on extinguishment of debt     $ 2,700,000          
Carrying value     8,000,000          
Debt issuance costs, line of credit arrangements, gross     120,000          
Deferred financing cost     66,000          
Reduction in equity     53,000          
Convertible notes payable     4,500,000.0          
Debt issuance costs, gross     67,230.000          
Periodic payment, principal     0          
5% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Debt instrument, stated interest rate   5.00%   5.00%        
Debt instrument face amount   $ 25,000,000.0            
Limit on conversion   30.00%     30.00%      
Convertible debt, conversion ratio   0.15129            
Debt instrument, convertible, face amount of each note that is convertible   $ 1.00            
Mandatory conversion of shares   $ 1,666,666            
Convertible debt redemption, consecutive trading days threshold | day   5            
Maximum conversion amount   30.00%            
Carrying value     67,200,000          
Debt, conversion option     41,200,000          
Debt issuance costs, line of credit arrangements, gross     1,200,000          
Deferred financing cost     500,000          
Reduction in equity   $ 700,000            
Convertible notes payable     27,631,196          
Debt issuance costs, gross     397,453          
Convertible Senior Notes Due 2020                
Line of Credit Facility [Line Items]                
Debt instrument, stated interest rate             3.25%  
Debt instrument face amount             $ 40,500,000.0  
Convertible Senior Notes Due 2020 | Convertible notes                
Line of Credit Facility [Line Items]                
Debt instrument, stated interest rate               3.25%
Debt instrument face amount               $ 125,000,000
Convertible notes payable     100,000.0          
Voluntary Conversion                
Line of Credit Facility [Line Items]                
Stock trigger price (usd per share) | $ / shares   $ 7.271            
Voluntary Conversion | Convertible notes                
Line of Credit Facility [Line Items]                
Convertible debt, conversion ratio 0.4445 0.12103            
Debt instrument, convertible, face amount of each note that is convertible $ 1.00 $ 1.00            
Conversion price (USD per share) | $ / shares $ 2.25 $ 8.2624            
Conversion price 110.00%              
Three Investors | New 5.00% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Debt instrument face amount $ 11,000,000.0              
Three Investors | Convertible Senior Notes Due 2020 | Convertible notes                
Line of Credit Facility [Line Items]                
Original debt $ 11,000,000              
Two Investors | 5% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Debt instrument face amount   $ 42,000,000.0            
Two Investors | 5% Note | Face Value Per Note                
Line of Credit Facility [Line Items]                
Debt instrument face amount   900            
Two Investors | Convertible Senior Notes Due 2020 | Face Value Per Note                
Line of Credit Facility [Line Items]                
Debt instrument face amount   $ 1,000            
Minimum | New 5.00% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Periodic payment, interest     900,000.0          
Minimum | 5% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Periodic payment, interest     14,675,251.71          
Maximum | New 5.00% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Periodic payment, interest     2,900,000.0          
Maximum | 5% Note | Convertible notes                
Line of Credit Facility [Line Items]                
Periodic payment, interest     $ 4,356,057.21