Goodwill and Other Intangible Assets (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Accumulated amortization	$ 6,005,000	$ 5,546,000
Net carrying amount	2,039,000
Trademarks - Definite-Lived
Gross carrying amount	173,000	173,000
Accumulated amortization	173,000	173,000
Net carrying amount	0	0
Trademarks - Indefinite-Lived
Gross carrying amount	408,000	408,000
Accumulated amortization	0	0
Net carrying amount	408,000	408,000
Total Intangible Assets
Gross carrying amount	8,452,000	8,452,000
Accumulated amortization	6,005,000	5,546,000
Net carrying amount	2,447,000	2,906,000
Customer Relationships
Gross carrying amount	4,600,000	4,600,000
Accumulated amortization	2,937,000	2,589,000
Net carrying amount	1,663,000	2,011,000
Customer Lists
Gross carrying amount	1,770,000	1,770,000
Accumulated amortization	1,770,000	1,770,000
Net carrying amount	0	0
Distribution Partner Relationships
Gross carrying amount	153,000	153,000
Accumulated amortization	53,000	38,000
Net carrying amount	100,000	115,000
Non-compete Agreements
Gross carrying amount	69,000	69,000
Accumulated amortization	41,000	28,000
Net carrying amount	28,000	41,000
Proprietary Software
Gross carrying amount	1,279,000	1,279,000
Accumulated amortization	1,031,000	948,000
Net carrying amount	$ 248,000	$ 331,000