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Secured Promissory Notes and Other Obligations (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 15, 2017 | Mar. 29, 2017 | Dec. 11, 2015 | Dec. 31, 2012 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Notes bear interest at rate per annum | 12.00% |  |  |  |  |  |  |  |
Debt instruments principal amount, maximum limit |  |  |  |  |  | $ 1,500 |  |  |
Debt instruments maturity date | Jun. 15, 2017 |  |  |  | Mar. 31, 2019 |  |  |  |
Percentage of warrant and loan origination costs |  |  |  |  | 14.30% |  |  |  |
Other income (expense) |  |  |  |  | $ 54 | 187 | $ 11 |  |
Unamortized interest for the loan origination costs |  |  |  |  |  | 10 |  |  |
Accrued interest |  |  |  |  |  | 9 |  |  |
Debt instrument annual payment |  |  |  |  |  | $ 103 | $ 107 |  |
Cold-EEZE® Business [Member] |  |  |  |  |  |  |  |  |
Payment of principal and accrued interest |  | $ 1,500 |  |  |  |  |  |  |
Cold-EEZE® Business [Member] | Investors [Member] |  |  |  |  |  |  |  |  |
Payment of principal and accrued interest |  | 1,500 |  |  |  |  |  |  |
Warrants aggregate exercise price |  | $ 69 |  |  |  |  |  |  |
Godfrey Settlement Agreement [Member] |  |  |  |  |  |  |  |  |
Notes bear interest at rate per annum |  |  |  |  |  | 3.25% | 3.25% | 3.25% | 3.25%
Accrued interest |  |  |  |  |  | $ 100 | $ 100 | $ 100 | $ 100
Debt instrument annual payment |  |  |  |  |  | $ 100 | $ 100 | $ 100 | $ 100
Subscription Agreements [Member] | Investors [Member] |  |  |  |  |  |  |  |  |
Notes bear interest at rate per annum |  |  | 12.00% |  |  |  |  |  |
Proceeds from notes payable |  |  | $ 1,500 |  |  |  |  |  |
Class of warrants issued during period |  |  | 51,000 |  |  |  |  |  |
Warrants exercise price per share |  |  | $ 1.35 |  |  |  |  |  |
Incurred loan origination costs |  |  | $ 22 |  |  |  |  |  |
Warrant exercise term |  |  | 3 years |  |  |  |  |  |
Fair value of warrants |  |  | $ 14 |  |  |  |  |  |
Godfrey Settlement Agreement [Member] |  |  |  |  |  |  |  |  |
Settlement of debt |  |  |  | $ 2,100 |  |  |  |  |
Secured Promissory Notes [Member] | Subscription Agreements [Member] |  |  |  |  |  |  |  |  |
Debt instruments principal amount, maximum limit |  |  | $ 3,000 |  |  |  |  |  |

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