XML 25 R48.htm IDEA: XBRL DOCUMENT v3.19.3
Convertible Debt at Fair Value (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 16, 2016
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Debt Instrument [Line Items]          
Gain (loss) on derivatives and convertible debt   $ (223,000) $ 116,000 $ (916,000) $ 719,000
6.25% Convertible Debt [Member]          
Debt Instrument [Line Items]          
Interest rate 6.25% 6.25%   6.25%  
Principal amount $ 1,012,000        
Number of shares of common stock debt can convert into 97,269        
Maximum ownership percentage of voting stock upon debt conversion 49.00%        
Gain (loss) on derivatives and convertible debt   $ (127,000) $ 1,000 $ (199,000) $ 20,000