Annual report pursuant to Section 13 and 15(d)

Cumulative Redeemable Convertible Preferred Stock (Details Textual)

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Cumulative Redeemable Convertible Preferred Stock (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jan. 12, 2018
Jul. 14, 2017
Jul. 20, 2016
Dec. 31, 2017
Class of Stock [Line Items]        
Convertible Preferred Stock, Terms of Conversion     Each share of Preferred Stock was convertible (at the holder’s election) into two shares of the Company’s common stock (as may be adjusted for any stock splits, reverse stock splits or similar transactions), representing a conversion price of $12.50 per share;  
Redeemable Preferred Stock Decsription   the Company repurchased from 1347 Investors a total of 120,000 shares of the Preferred Stock for an aggregate sum of $4.1 million in cash, (b) for a period of six months after such repurchase, the Company had the right to repurchase from 1347 Investors, in one or more transactions, all or a portion of the remaining 280,000 shares of Preferred Stock owned by 1347 Investors for a purchase price equal to 130% of the liquidation value per share plus 130% of any and all accrued but unpaid dividends thereon as of the date of closing of the purchase of such shares and (c) 1347 Investors would not, with respect to the 509,500 shares of common stock held in escrow pursuant to its lock-up arrangement that expired on July 20, 2017, sell or otherwise transfer such shares of common stock during the period from such expiration through October 20, 2017.    
Stock Repurchased During Period, Shares   120,000    
Payments for Repurchase of Preferred Stock and Preference Stock   $ 4,100    
Common Stock Shares Held In Escrow Shares   509,500    
Debt Instrument, Repurchased Face Amount $ 10,000      
Dividends Payable 900      
Debt Instrument, Unamortized Premium $ 2,200      
Adjustments To Additional Paid In Capital Reclassification Of Cumulative Dividends On Redeemable Convertible Preferred Stock       $ 0
Preferred Stock [Member]        
Class of Stock [Line Items]        
Stock Repurchased During Period, Shares 280,000      
Redeemable Convertible Preferred Stock [Member]        
Class of Stock [Line Items]        
Preferred Stock, Dividend Payment Terms     preferential dividends at a rate of: (i) 8% per annum in years one through three from issuance; (ii) 10% per annum in years four through five from issuance; and (iii) 12% per annum thereafter, payable in equal quarterly installments.  
Adjustments To Additional Paid In Capital Reclassification Of Cumulative Dividends On Redeemable Convertible Preferred Stock       $ 400
Series A Preferred Stock [Member]        
Class of Stock [Line Items]        
Stock Issued During Period, Shares, Acquisitions     400,000