Annual report pursuant to Section 13 and 15(d)

Organization and Nature of Business and Going Concern (Details)

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Organization and Nature of Business and Going Concern (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Aug. 12, 2019
Aug. 08, 2019
Jan. 15, 2019
Nov. 22, 2019
Sep. 17, 2019
Jun. 26, 2019
May 03, 2019
Dec. 31, 2019
Dec. 31, 2018
Organization and Nature of Business and Going Concern (Textual)                  
Working capital deficiency               $ 7,000  
Net loss               $ (33,982) $ (24,561)
Capital resources, description The Company sold an aggregate of (i) 144,387 shares of our common stock, (ii) 2,997 shares of its Series 6 Convertible Preferred Stock, and (iii) Series A warrants to purchase up to an aggregate of 384,387 shares of common stock at an exercise price per share of $12.4875, resulting in net proceeds of approximately $4 million after deducting the underwriting discounts and offering expenses. The Company also raised approximately $3 million, $1.5 million, $1.5 million, $750,000 and $750,000 in net proceeds from the sale of promissory notes on May 3, 2019, June 26, 2019, August 8, 2019, September 17, 2019 and November 22, 2019, respectively. From October 16, 2019 through December 20, 2019 under an at-the-market ("ATM") program, the Company sold an aggregate of 1,470,900, shares of common stock, at a weighted average price of approximately $4.42 per share resulting in net proceeds of approximately $5.9 million to the Company after deduction of sales commissions and other offering expenses.             The Company does not expect its capital resources as of December 31, 2019, availability on the Payplant facility to finance purchase orders and invoices in an amount equal to 80% of the face value of purchase orders received (as described in Note 14), and funds from revenue to be sufficient to fund planned operations for the next twelve months from the date the financial statements are issued.  
Net proceeds from public offering     $ 10,770            
Units sold from public offering     12,000            
Public offering price per unit     $ 1,000            
Net proceeds from the sale of promissory notes   $ 1,500   $ 750 $ 750 $ 1,500 $ 3,000