Note 19 - Acquisition of Reach Construction Group, LLC - Purchase Consideration (Details) (Parentheticals)	Apr. 01, 2020 shares
Reach Construction Group, LLC [Member]
Stock issued for acquisition (in shares)	2,000,000

Number of shares of equity interests issued or issuable to acquire entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration