Note 2 - Revenue from Contracts with Customers - Accounts Receivable (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Accounts receivable	$ 1,532,174	$ 1,664,862
Billed Revenues [Member] \| Government Sector [Member]
Accounts receivable	1,491,705	1,594,473
Billed Revenues [Member] \| Commercial and Industrial Sector [Member]
Accounts receivable	40,469	0
Unbilled Revenues [Member]
Accounts receivable	$ 0	$ 70,389

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 310
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=126942793&loc=d3e3073-115593

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(5))
-URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910

Name:	us-gaap_AccountsReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant