Note 16 - Acquisitions - Summary Assets Acquired and Liabilities Assumed of CAD Enterprises (Details) - USD ($)	Dec. 31, 2020	Jan. 02, 2020	Dec. 31, 2019
Goodwill	$ 11,505,852		$ 9,791,745
CAD Enterprises, Inc. [Member]
Accounts Receivable		$ 771,088
Inventory		2,918,255
Fixed Assets		29,581
Prepaid and Other Assets		53,397
Intangibles Assets		4,320,000
Goodwill		1,714,108
Total Assets Acquired		9,806,429
Accrued Expense		406,429
Total Liabilities Assumed		406,429
Net Assets Acquired		$ 9,400,000

Amount of assets and goodwill acquired at the acquisition date.

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Amount of liabilities incurred for accrued expenses, assumed at the acquisition date.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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