Note 4 - Acquisitions (Details Textual) | Oct. 04, 2021USD ($)$ / sharesshares | Aug. 24, 2021USD ($)$ / shares | Jun. 01, 2021USD ($)$ / sharesshares | Mar. 31, 2022USD ($)$ / shares | Mar. 31, 2021USD ($) | Aug. 24, 2021USD ($)$ / shares | Dec. 31, 2021USD ($)$ / sharesshares |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | | $ 0.001 | | | $ 0.001 |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | | $ 0.001 | | | $ 0.001 |
Number of Reportable Segments | | | | 1 | | | |
Super League Closing Stock Price Per Share On the Closing Date (in dollars per share) | $ / shares | | | $ 4.96 | | | | |
Amortization of Intangible Assets | | | | $ 1,301,000 | $ 242,000 | | |
Income Tax Expense (Benefit), Total | | | | $ (46,000) | $ 0 | | |
Share Price (in dollars per share) | $ / shares | $ 2.91 | | | | | | |
Merger Agreement [Member] | | | | | | | |
Income Tax Expense (Benefit), Total | | | | | | | $ (3,073,000) |
Minimum [Member] | | | | | | | |
Finite-Lived Intangible Asset, Useful Life (Year) | | | | 3 years | | | |
Maximum [Member] | | | | | | | |
Finite-Lived Intangible Asset, Useful Life (Year) | | | | 10 years | | | |
Former Mobcrush Employees [Member] | | | | | | | |
Common Stock, Capital Shares Reserved for Future Issuance (in shares) | shares | | | | | | | 514,633 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | shares | | | | | | | 415,000 |
Mobcrush Acquisition [Member] | | | | | | | |
Business Combination, Right To Receive Common Stock, Shares For Each Cancelled Common Stock And Preferred Stock, Share Of Acquiree (in dollars per share) | $ / shares | | | $ 0.528 | | | | |
Stock Issued During Period, Shares, Acquisitions (in shares) | shares | | | 12,067,571 | | | | |
Common Stock, Capital Shares Reserved for Future Issuance (in shares) | shares | | | 514,633 | | | | |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares | | | 12,582,204 | | | | |
Business Combination, Acquisition Related Costs | | | $ 636,000 | | | | |
Amortization of Intangible Assets | | | | $ 816,000 | | | |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | | | $ 59,855,000 | | | | |
Business Acquisition, Share Price (in dollars per share) | $ / shares | | | $ 4.96 | | | | |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | | | $ 3,073,000 | | | | |
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 7 years | | | | |
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Minimum [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 6 years | | | | |
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Maximum [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 10 years | | | | |
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Measurement Input, Discount Rate [Member] | Minimum [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 13 | | | | |
Mobcrush Acquisition [Member] | Preferred Partner Relationship [Member] | Measurement Input, Discount Rate [Member] | Maximum [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 14 | | | | |
Mobcrush Acquisition [Member] | Trademarks [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 7 years | | | | |
Mobcrush Acquisition [Member] | Trademarks [Member] | Minimum [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 4 years | | | | |
Mobcrush Acquisition [Member] | Trademarks [Member] | Maximum [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 5 years | | | | |
Mobcrush Acquisition [Member] | Trademarks [Member] | Measurement Input, Discount Rate [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 14 | | | | |
Mobcrush Acquisition [Member] | Technology-Based Intangible Assets [Member] | Measurement Input, Royalty Rate [Member] | Minimum [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 3 | | | | |
Mobcrush Acquisition [Member] | Technology-Based Intangible Assets [Member] | Measurement Input, Royalty Rate [Member] | Maximum [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 5 | | | | |
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 5 years | | | | |
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | Minimum [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 20 months | | | | |
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | Maximum [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 4 years | | | | |
Mobcrush Acquisition [Member] | Influencers Content Creators [Member] | Measurement Input, Discount Rate [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 13 | | | | |
Mobcrush Acquisition [Member] | Customer Relationships [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 5 years | | | | |
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Discount Rate [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 13 | | | | |
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Rate of Return [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 14 | | | | |
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Discount Period [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 0.5 | | | | |
Mobcrush Acquisition [Member] | Customer Relationships [Member] | Measurement Input, Risk Adjusted Return [Member] | | | | | | | |
Intangible Asset, Measurement Input | | | 1.1 | | | | |
Mobcrush Acquisition [Member] | Developed Technology Rights [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | | | 5 years | | | | |
Bannerfy Acquisition [Member] | | | | | | | |
Business Combination, Acquisition Related Costs | | $ 62,000 | | | | | |
Amortization of Intangible Assets | | | | $ 110,000 | | | |
Business Combination Consideration Transferred Including Contingent Consideration | | 7,000,000 | | | | | |
Business Combination, Consideration Transferred, Total | | 2,450,000 | | | | | |
Payments to Acquire Businesses, Gross | | 525,000 | | | | | |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | | $ 1,920,000 | | | | | |
Business Acquisition, Share Price (in dollars per share) | $ / shares | | $ 4.10 | | | | $ 4.10 | |
Business Combination, Holdback Amount | | $ 275,000 | | | | | |
Business Combination, Holdback Amount, Cash Portion | | 55,000 | | | | | |
Business Combination, Holdback Amount, Common Stock Portion | | 220,000 | | | | | |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | | $ 4,550,000 | | | | $ 4,550,000 | |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Remainder of Fiscal Year | | 8.00% | | | | 8.00% | |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Year One | | 38.00% | | | | 38.00% | |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High, Percent, Year Two | | 54.00% | | | | 54.00% | |
Business Combination, Contingent Consideration, Percent Payable in Cash | | 21.00% | | | | 21.00% | |
Business Combination, Contingent Consideration, Percent Payable in Common Stock | | 79.00% | | | | 79.00% | |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities | | $ 556,000 | | | | $ 556,000 | |
Bannerfy Acquisition [Member] | Base Rate [Member] | | | | | | | |
Debt Instrument, Basis Spread on Variable Rate | | | | | | 1.00% | |
Bannerfy Acquisition [Member] | Developed Technology Rights [Member] | | | | | | | |
Finite-Lived Intangible Asset, Useful Life (Year) | | 7 years | | | | | |
Bloxbiz [Member] | | | | | | | |
Stock Issued During Period, Shares, Acquisitions (in shares) | shares | 1,031,928 | | | | | | |
Business Combination, Acquisition Related Costs | $ 47,000 | | | | | | |
Amortization of Intangible Assets | | | | | | | $ 102,000 |
Business Combination, Consideration Transferred, Total | 6,000,000 | | | | | | |
Payments to Acquire Businesses, Gross | 3,000,000 | | | | | | |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 3,000,000 | | | | | | |
Business Acquisition, Share Price (in dollars per share) | $ / shares | $ 2.91 | | | | | | |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High | $ 11,500,000 | | | | | | |
Bloxbiz [Member] | Measurement Input, Rate of Return [Member] | | | | | | | |
Business Combination, Contingent Consideration, Liability, Measurement Input | 30 | | | | | | |
Bloxbiz [Member] | Measurement Input, Discount Period [Member] | | | | | | | |
Business Combination, Contingent Consideration, Liability, Measurement Input | 0.5 | | | | | | |
Bloxbiz [Member] | Measurement Input, Risk Adjusted Return [Member] | Minimum [Member] | | | | | | | |
Business Combination, Contingent Consideration, Liability, Measurement Input | 1.1 | | | | | | |
Bloxbiz [Member] | Measurement Input, Risk Adjusted Return [Member] | Maximum [Member] | | | | | | | |
Business Combination, Contingent Consideration, Liability, Measurement Input | 1.3 | | | | | | |
Bloxbiz [Member] | Measurement Input, Cost of Capital [Member] | Weighted Average [Member] | | | | | | | |
Business Combination, Contingent Consideration, Liability, Measurement Input | 30 | | | | | | |
Bloxbiz [Member] | Customer Relationships [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | 3 years | | | | | | |
Bloxbiz [Member] | Developed Technology Rights [Member] | | | | | | | |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) | 7 years | | | | | | |
Mobcrush Acquisition [Member] | | | | | | | |
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | $ 0.001 | | | | |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares | | | $ 0.001 | | | | |