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Loans Payable (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  | 1 Months Ended | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 16, 2018 | Dec. 12, 2016 | Jun. 29, 2016 | Jun. 13, 2016 | May 03, 2016 | Apr. 27, 2018 | Aug. 17, 2016 | Mar. 31, 2018 | Mar. 31, 2017
Loans Payable (Textual) |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 8,401 |
Warrants to purchase common stock |  |  |  |  |  |  |  | 16,482,635 |
Debt discount amortized |  |  |  |  |  |  |  | $ 345 | $ 195
Fair value of warrants on the issuance |  |  |  |  |  |  |  | $ (197) | $ 8
Subsequent Event [Member] | Slipstream Communications, LLC [Member] |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 300 |  |  |
Terms of warrant |  |  |  |  |  | 5 years |  |  |
Maturity date |  |  |  |  |  | Jan. 16, 2019 |  |  |
Warrants to purchase common stock |  |  |  |  |  | 4,313,725 |  |  |
Adjusted per share price value |  |  |  |  |  | $ 0.27 |  |  |
Loan and Security Agreement [Member] | Slipstream Communications, LLC [Member] |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |
Principal amount |  | $ 1,000 |  |  |  |  |  |  |
Borrowed loan | $ 1,000 | $ 786 |  |  |  |  | $ 3,000 |  |
Term loan interest percentage | 8.00% | 8.00% |  |  |  |  | 8.00% |  |
Terms of warrant | 5 years | 5 years |  |  |  |  | 5 years |  |
Maturity date | Jan. 16, 2019 | Feb. 01, 2017 |  |  |  |  | Aug. 17, 2017 |  |
Warrants to purchase common stock | 1,851,852 | 1,542,452 |  |  |  |  | 5,882,352 |  |
Share price per share | $ 0.27 | $ 0.28 |  |  |  |  | $ 0.28 |  |
Aggregate fees |  | $ 37 |  |  |  |  | $ 20 |  |
Fair value of warrants |  | $ 136 |  |  |  |  | 361 |  |
Additional advances |  |  |  |  |  |  | $ 1,000 |  |
Secured convertible promissory note [Member] |  |  |  |  |  |  |  |  |
Loans Payable (Textual) |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 50 | $ 450 | $ 500 |  |  |  |
Terms of warrant |  |  | 5 years | 5 years | 5 years |  |  |  |
Warrants to purchase common stock |  |  | 89,286 | 803,572 | 892,857 |  |  |  |
Share price per share |  |  | $ 0.28 | $ 0.28 | $ 0.28 |  |  |  |
Fair value of warrants |  |  | $ 6 | $ 57 | $ 89 |  |  |  |
Revised fair value of warrants |  |  |  | 40 | 60 |  |  |  |
Interest rate, description |  |  |  |  |  |  |  | The secured convertible promissory notes bear interest at the rate of 14% per annum. Of this amount, 12% per annum is payable monthly in cash, and the remaining 2% per annum is payable in the form an additional principal through increases in the principal amount of the note. Upon the consummation of a change in control transaction of the company or a default, interest on the secured convertible promissory note will increase to the rate of 17% per annum. |
Proceeds from convertible debt |  |  |  | 300 |  |  |  |  |
Exchanged short term notes |  |  |  | $ 150 |  |  |  |  |
Incurred sales commissions |  |  |  |  | $ 25 |  |  |  |

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