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Note 13 - Purchase of Interests in Subsidiaries - Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands | Jan. 09, 2018 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Residual goodwill |  | $ 3,788 | $ 1,836
Resource Plus, Inc [Member] |  |  |
Cash consideration | $ 456 |  |
Notes payable | 2,300 |  |
Total consideration paid | 2,756 |  |
Cash and cash equivalents | 1,223 |  |
Accounts receivable | 2,699 |  |
Accounts payable | (255) |  |
Property and equipment | 155 |  |
Prepaid assets | 86 |  |
Marketable securities | 20 |  |
Other assets | 50 |  |
Accrued expenses | (1,389) |  |
Deferred tax liability | (572) |  |
Revolving line of credit | (865) |  |
Other intangible assets | 2,290 |  |
Residual goodwill | 1,962 |  |
Estimated fair value of assets acquired | 5,404 |  |
Non-controlling interest | (2,648) |  |
Consideration paid for acquisition | $ 2,756 |  |

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