General form of registration statement for all companies including face-amount certificate companies

Convertible 2015 Notes Payable (Details Textual)

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Convertible 2015 Notes Payable (Details Textual)
1 Months Ended 9 Months Ended 12 Months Ended
Dec. 30, 2015
USD ($)
May 07, 2015
USD ($)
Investors
Apr. 23, 2015
USD ($)
Investors
Aug. 24, 2016
$ / shares
Mar. 31, 2016
USD ($)
shares
Feb. 29, 2016
USD ($)
shares
Apr. 17, 2015
Investors
shares
Sep. 30, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Line of Credit Facility [Line Items]                  
Secured notes payable, description                 The conversion price for such Company Optional Redemption shall be a price equal to 100% of the Conversion Amount of the Notes being redeemed.
Warrants exercisable term               5 years  
Number of warrants issued for common stock | shares               219,785  
Exercise price per share | $ / shares               $ 12.50 $ 12.04
Percentage of principal amount of debt rereemed               115.00% 115.00%
Securities purchase agreement, description               On April 11, 2016, we consummated a $3 million private offering and thereby satisfied condition (ii) above. On March 31, 2016 we issued the March Warrants, as described in Note 12, and we remained in compliance with the net monthly cash flow covenant listed in (iv) above during all relevant times. On June 29, 2016, we signed the CMLA, which will replace the CLA upon the successful completion of the technical tests associated with the KG2. Additionally, upon execution of the September Amendments (as defined below), the monthly cash flow covenant listed in (iv) above was removed.  
Warrants excercise price, description               In August 2016, the Company adjusted the exercise price of such April and May Warrants to $4.00 per share.  
Warrants to purchase of common stock | shares                 50,000
Convertible unsecured notes               $ 4,519,000  
Fair value of additional warrants issued               $ (3,124,000) $ 205,000
Issuance of warrant to investors | shares               1,450,542 775,543
Embedded conversion feature liability, description                 The Notes were issued with a feature that allows for up to 50% of the principal to be converted into our common stock. On December 30, 2015, the terms of the Notes were amended to allow the remaining 50% of the principal to be convertible into our common stock.
Fourth Amendment Securities Purchase Agreement [Member]                  
Line of Credit Facility [Line Items]                  
Securities purchase agreement, description (i) extend the deadline to March 31, 2016 for the Company's consummation of a firm commitment underwritten public offering registered under the Securities Act and related listing of its Common Stock on a national securities exchange, (ii) provide for the issuance of additional five-year warrants (the "Additional Warrants"), exercisable for ten shares of Common Stock per $1,000 of outstanding principal of the 2015 Notes (defined below) held by each buyer pursuant to the April 2015 and May 2015 purchase agreements, each with an exercise price of $12.50 per share, subject to adjustment as set forth within the warrants, issuable in tranches triggered by certain Company actions as set forth in the December Amendments and (iii) authorize the Company, prior to January 31, 2016, to issue to one or more investors up to an aggregate of $1,000,000 principal amount of senior secured notes, on the terms and subject to the restrictions set forth in the December Amendments. An initial tranche of 50,000 Additional Warrants became issuable and were issued in conjunction with the execution of the December Amendments.                
Percentage of conversion feature 50.00%               100.00%
Fair value of beneficial conversion feature $ 609,000                
Fair value of additional warrants issued $ 182,000                
Embedded conversion feature liability, description The December Amendments also amended the terms of the Notes to allow for the remaining 50% to be converted under the same terms as the original 50% as described above.                
Warrants [Member]                  
Line of Credit Facility [Line Items]                  
Proceeds recieved from debt gross               $ 3,000,000  
Number of institutional investors | Investors             5    
Number of warrants issued for common stock | shares             81,942    
Exercise price per share | $ / shares       $ 4.00          
Warrants excercise price, description       Reduce the exercise price of such warrants to $4.00 per share          
Fair value of additional warrants issued         $ 1,497,000 $ 148,000      
Issuance of warrant to investors | shares         500,000 50,000      
Additional debt discount               206,000  
Additional warrants excercise price per share       The warrants with price adjustment from $12.50 per share to $4.00 per share were not previously accounted for as derivative liabilities. The foregoing warrants were then revalued with an amended exercise price of $4.00 and the difference in fair value resulting from an exercise price reduction of $12.50 per share to $4.00 per share, in the case of the April and May Warrants, and from $5.00 per share to $4.00 per share, in the case of the December Warrants, February Warrants and March Warrants, was recorded as an additional debt discount of $206,000, which will be amortized over the expected remaining life of the 2015 Notes          
December 2015 Equity Offering [Member]                  
Line of Credit Facility [Line Items]                  
Issuance of warrant to investors | shares                 312,500
Convertible Debt [Member]                  
Line of Credit Facility [Line Items]                  
Number of warrants issued for common stock | shares                 81,942
Convertible unsecured notes               1,250,000  
Junior notes conversion feature               282,000  
Senior notes conversion feature               757,000  
Percentage of conversion feature 50.00%               50.00%
Embedded conversion feature liability, description The Company and the note holders amended the terms of the Notes to allow for the remaining 50% to be converted.                
Investor [Member]                  
Line of Credit Facility [Line Items]                  
Aggregate principal amount               $ 1,500,000  
Secured notes payable, description               Issue to one or more investors.  
Secured notes payable term               1 year  
Secured Debt [Member]                  
Line of Credit Facility [Line Items]                  
Proceeds from secured note               $ 5,000,000 $ 5,000,000
Proceeds recieved from debt gross               5,000,000  
Aggregate principal amount   $ 1,900,000 $ 3,100,000            
Number of institutional investors | Investors   4 7            
Transaction expenses               $ 300,000 $ 300,000
Interest rate               12.00% 12.00%
Secured notes payable, description               The 2015 Notes may be into shares of the Company's common stock. The 2015 Notes may be repaid by the Company at any time unless the 2015 Notes are in default. The Notes become convertible at a price per share equal to 85% of the average of the five lowest volume weighted average prices of the Company's common stock during a 15 consecutive trading day period immediately prior to the applicable conversion date.
Increased interest rate               18.00% 18.00%
Debt instrument maturity description               The 2015 Notes bear interest at a rate of 12% per year, payable monthly, and are set to mature on the two-year anniversary of the issuance dates of the 2015 Notes on April 23, 2017 and May 7, 2017 for the first and second tranches, respectively. Upon issuance of the 2015 Notes, each investor, at its discretion, was entitled to convert up to 50% of the balance outstanding under the 2015 Notes. Upon the execution of the December Amendments (as defined below), however, each investor became entitled to fully convert 100% of the balance outstanding under the 2015 Notes may be into shares of the Company's common stock. The 2015 Notes may be repaid by the Company at any time unless the 2015 Notes are in default. The Notes bear interest at a rate of 12% per year, payable monthly, and are set to mature on the two year anniversary of the issuance dates of the Secured Notes on April 23, 2017 and May 7, 2017 for the first and second tranches, respectively. The Notes have a limited conversion feature. At the discretion of each investor, at issuance, 50% of the principal balance of the Notes, later amended to be 100% of the Notes may be exchanged for shares of the Company's common stock if the Company consummates a registered underwritten public offering of equity securities with aggregate gross offering proceeds of at least $10 million (the "Qualified Public Offering").
Secured notes payable term               2 years 2 years
Warrants exercisable term               5 years 5 years
Number of warrants issued for common stock | shares                 219,785
Exercise price per share | $ / shares                 $ 12.50