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Note 17 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)				2 Months Ended
	Mar. 10, 2020	Jan. 13, 2020	Jan. 01, 2020	Mar. 12, 2020
Payments to Acquire Marketable Securities, Total				$ 22,500,000
Non-voting Preferred Units of DFH LLC [Member]
Redemption of Preferred Units		$ 6,000,000
South Coast Surety Insurance Services, LLC [Member] | GIG [Member]
Business Acquisition, Percentage of Voting Interests Acquired			30.00%
Business Combination, Consideration Transferred, Total			$ 1,406,409
FibAire Communications LLC [Member]
Business Combination, Consideration Transferred, Total	$ 13,712,491
Business Combination, Consideration Transferred, Percent, Cash	90.00%
Business Combination, Consideration Transferred, Percent, Equity	10.00%
Business Combination, Equity Issued, Percent Issued to Acquired Company	10.00%
Payments to Acquire Business, Held in Escrow	$ 1,851,186

X

- Definition

The percent of the consideration transferred in a business combination paid in cash.

+ References

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The percent of consideration transferred in a business combination as equity.

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- Definition

The percent of equity of the acquiring entity issued to the acquired entity in a business combination.

+ References

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- Definition

The portion of cash outflow associated with the acquisition of a business which is held in escrow to provide indemnifications for the acquired entity.

+ References

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The value of preferred units redeemed.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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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

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Amount of cash outflow for purchase of marketable security.

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-Topic 320
-SubTopic 10
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