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Note 11 - Acquisition of Businesses (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  |  |  | 3 Months Ended |
--- | --- | --- | --- | --- | --- | ---
May 02, 2018 | Dec. 01, 2017 | Aug. 21, 2017 | Mar. 08, 2016 | Mar. 31, 2019 | Mar. 31, 2018 | Dec. 31, 2018
Amortization of Intangible Assets, Total |  |  |  |  | $ 1,000 | $ 800 |
Business Combination, Contingent Consideration, Liability, Current |  |  |  |  | 941 |  | $ 941
Goodwill, Ending Balance |  |  |  |  | 33,955 |  | $ 33,961
CID Resources [Member] |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 84,430 |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | 150,094 |  |  |  |  |  |
Working Capital Target Amount | $ 39,500 |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total | 41,020 |  |  |  |  |  |
Business Combination, Consideration Transferred, Total | 90,714 |  |  |  |  |  |
Goodwill, Ending Balance | 17,968 |  |  |  |  |  |
CID Resources [Member] | Trade Names [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total | 14,200 |  |  |  |  |  |
CID Resources [Member] | Customer Relationships [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total | $ 26,000 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 15 years |  |  |  |  |  |
CID Resources [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total | $ 800 |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 5 years |  |  |  |  |  |
BAMKO [Member] |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | $ 15,200 |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  |  |  | 324,000 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  | $ 11,400 |  |  |
Amortization of Intangible Assets, Total |  |  |  |  | 500 |  |
Business Acquisition, Pro Forma Revenue |  |  |  |  |  | 19,200 |
Business Acquisition, Pro Forma Net Income (Loss) |  |  |  |  |  | $ 2,000 |
Business Acquisition, Pro Forma Earnings Per Share, Basic |  |  |  |  |  | $ 0.13 |
Business Acquisition, Equity Interested Issued, Vesting Period |  |  |  | 5 years |  |  |
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, Before Discount |  |  |  | $ 5,500 |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  | 4,100 |  |
Business Combination, Contingent Consideration, Liability, Current |  |  |  |  | 900 |  |
Business Combination, Consideration Transferred, Total |  |  |  | 12,088 |  |  |
BAMKO [Member] | Trade Names [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  | 8,900 |  |  |
BAMKO [Member] | Customer Relationships [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  | 2,100 |  |  |
BAMKO [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  |  | $ 400 |  |  |
Public Identity [Member] |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  | $ 800 |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  |  | 54,000 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  |  | $ 1,700 |  |  |  |
Business Acquisition, Equity Interested Issued, Vesting Period |  |  | 3 years |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  | $ 400 |  |  |  |
Business Combination, Consideration Transferred, Total |  |  | 2,300 |  |  |  |
Goodwill, Ending Balance |  |  | $ 600 |  |  |  |
Tangerine [Member] |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 7,200 |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares |  | 83,000 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  | $ 6,495 |  |  |  |  |
Amortization of Intangible Assets, Total |  |  |  |  | 100 |  |
Business Acquisition, Equity Interested Issued, Vesting Period |  | 4 years |  |  |  |  |
Business Combination, Liabilities Arising From Contingencies, Earn Out Liability, Before Discount |  | $ 3,200 |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  |  | $ 2,500 |  |
Goodwill, Ending Balance |  | 4,169 |  |  |  |  |
Tangerine [Member] | Trade Names [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  | 3,200 |  |  |  |  |
Tangerine [Member] | Customer Relationships [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  | $ 3,100 |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 7 years |  |  |  |  |
Tangerine [Member] | Noncompete Agreements [Member] |  |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total |  | $ 200 |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 7 years |  |  |  |  |

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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109124213&loc=d3e6578-128477 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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