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Note 13 - Purchase of Interests in Subsidiaries (Tables) - Resource Plus, Inc [Member] | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] |
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 |
Business Acquisition, Pro Forma Information [Table Text Block] |
|  | Revenue |  |  | Net Income |
Consolidated supplemental pro forma for the twelve month period ended December 31, 2017 |  | $ | 205,604 |  |  | $ | 407 |

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