Quarterly report pursuant to Section 13 or 15(d)

Series A Convertible Preferred Stock (Details)

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Series A Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Series A Convertible Preferred Stock (Textual)      
Aggregate cash proceeds amount   $ 4,804  
Preferred stock stated value of per share $ 0.0001    
Redeemable in cash, description (i) 104% of the aggregate value of three thousand (3,000) shares on the 30 day anniversary of the issuance; (ii) 104% of the aggregate value of two thousand five hundred (2,500) shares on the 60th anniversary of the original issue; and (iii) 104% of the aggregate value of five hundred (500) shares of the 90th anniversary of the original issue.    
Preferred stock authorized 100,000,000    
Restricted cash account $ 5,500    
Operating account $ 740    
Preferred stock outstanding 0   6,000
Series A 8% convertible preferred stock [Member]      
Series A Convertible Preferred Stock (Textual)      
Issued shares of preferred stock 6,000    
Aggregate cash proceeds amount $ 6,000    
Preferred stock stated value of per share $ 1,000    
Deposited amount $ 5,500    
Proceeds into restricted escrow account $ 6,000    
Shares of outstanding 6,000    
Series A convertible preferred stock [Member]      
Series A Convertible Preferred Stock (Textual)      
Convertible preferred stock redeemed 6,000    
Redemption amount $ 6,240    
Total proceeds issue price 240    
Dividends $ 6,000