ACQUISITIONS - Bureau of Internet Accessibility Inc - Tangible and intangible assets acquired and liabilities assumed (Details) - USD ($)		9 Months Ended
	Mar. 09, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Assets purchased:
Goodwill		$ 4,001,000		$ 4,001,000
Bureau of internet accessibility Inc
Assets purchased:
Cash	$ 398,000
Accounts receivable	437,000
Other assets	29,000
Goodwill	3,300,000
Total assets purchased	8,514,000
Liabilities assumed:
Accounts payable and accrued liabilities	7,000
Deferred revenue	1,040,000
Total liabilities assumed	1,047,000
Net assets acquired	7,467,000
Consideration:
Cash paid, net of proceeds from working capital adjustment	4,882,000
Contingent consideration liability	2,585,000	$ 200,000	$ 182,000
Total consideration	7,467,000
Bureau of internet accessibility Inc | Customer relationships
Assets purchased:
Intangible assets	3,600,000
Bureau of internet accessibility Inc | Internally developed software
Assets purchased:
Intangible assets	700,000
Bureau of internet accessibility Inc | Trade name
Assets purchased:
Intangible assets	$ 50,000