Divestiture of Automatic License Plate Recognition Business (Details 1) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Dec. 31, 2014 |
|---|---|---|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Non-current assets from discontinued operations | $ 420 | $ 7,002 |
| Non-current liabilities from discontinued operations | 1,812 | |
| License Plate Recognition (TagMaster AB) [Member] | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Accounts receivable, net | 1,685 | |
| Inventories | 1,409 | |
| Other current assets | 420 | 209 |
| Current assets from discontinued operations | $ 420 | 3,303 |
| Property and equipment, net: | 167 | |
| Intangible assets, net | 3,532 | |
| Non-current assets from discontinued operations | 3,699 | |
| Trade accounts payable | 864 | |
| Other current liabilities | 857 | |
| Current liabilities from discontinued operations | 1,721 | |
| Non-current liabilities from discontinued operations | $ 91 |