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Unsecured Convertible Notes (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 9 Months Ended 12 Months Ended
Mar. 12, 2018
Sep. 14, 2016
Jul. 31, 2018
Jun. 30, 2018
Mar. 30, 2018
Feb. 21, 2017
Dec. 18, 2017
Dec. 31, 2018
Dec. 31, 2017
Jun. 29, 2017
Mar. 29, 2017
Dec. 31, 2018
Dec. 31, 2017
Mar. 31, 2018
Unsecured Convertible Notes (Textual)                            
Total principal maturities of long-term borrowings for the year ended March 31,2019               $ 300       $ 300    
Total principal maturities of long-term borrowings for the year ended March 31,2020               4,700       4,700    
Total principal maturities of long-term borrowings for the year ended March 31,2022               10,600       $ 10,600    
Unsecured convertible notes payable outstanding, description                       The Company had outstanding 7.5% (effective as of April 1, 2018, previously 6%) unsecured convertible notes payable (the "Trinad Notes") issued to Trinad Capital Master Fund ("Trinad Capital"), a fund controlled by Mr. Ellin, the Company's Chief Executive Officer, Chairman, director and principal stockholder.   The Company had outstanding 7.5% (effective as of April 1, 2018, previously 6%) unsecured convertible notes payable (the "Trinad Notes") issued to Trinad Capital Master Fund ("Trinad Capital"), a fund controlled by Mr. Ellin, the Company's Chief Executive Officer, Chairman, director and principal stockholder.
Unamortized discount               (1,071)       $ (1,071)  
Unsecured convertible notes payable one [Member]                            
Unsecured Convertible Notes (Textual)                            
Principal amount           $ 3,600                
Unsecured convertible note payable due           Mar. 31, 2018                
Extended date           May 31, 2019                
Accrued interest                       200    
Note balance due                       3,800   3,600
Unsecured convertible notes payable two [Member]                            
Unsecured Convertible Notes (Textual)                            
Aggregate principal and interest       $ 200                    
Debt discount was charged to APIC       100                    
Principal amount             $ 900              
Unsecured convertible note payable percentage         6.00%                  
Unsecured convertible note payable due             May 31, 2019              
Extended date         May 31, 2019                  
Unamortized discount               200       200    
Accrued interest                       300    
Amortized discount to interest expense               100       300    
Note balance due                           $ 300
Interest rate payable, description         The notes was increased from 6.0% to 7.5% beginning on April 1, 2018.                  
6% Unsecured Convertible Note - Due September 13, 2018 [Member]                            
Unsecured Convertible Notes (Textual)                            
Principal amount   $ 200                        
Unsecured convertible note payable percentage   6.00%                        
Unsecured convertible note payable due   Sep. 13, 2018                        
Amortized discount to interest expense               0 $ 100     100 $ 100  
6% Unsecured Convertible Notes - Due on various dates through September 30, 2018 [Member]                            
Unsecured Convertible Notes (Textual)                            
Aggregate principal and interest $ 400     1,000                    
Debt discount was charged to APIC $ 100     $ 100                    
Principal amount                     $ 1,200      
Unsecured convertible note payable percentage                     6.00%      
Unsecured convertible note payable due                     Sep. 30, 2018      
Warrants exercise price $ 4.00                          
Warrants to purchase of common stock 24,760                          
Amortized discount to interest expense               0 200     100 600  
Warrants term 3 years                          
6% Unsecured Convertible Notes - Due on various dates through June 29, 2018 [Member]                            
Unsecured Convertible Notes (Textual)                            
Aggregate principal and interest $ 1,700   $ 100                      
Debt discount was charged to APIC $ 200   $ 0                      
Principal amount                   $ 1,700        
Unsecured convertible note payable percentage                   6.00%        
Unsecured convertible note payable due                   Jun. 29, 2018        
Warrants exercise price $ 4.00                          
Warrants to purchase of common stock 115,559                          
Unamortized discount               0       0    
Amortized discount to interest expense               $ 0 $ 400     $ 0 $ 1,100  
Warrants term 3 years