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Consolidated Statements of Cash Flows (Parenthetical) - USD ($)	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Reconciliation of cash, cash equivalents, and restricted cash
Cash and cash equivalents	$ 12,076,000	$ 9,649,000	$ 15,885,000
Restricted cash	1,200,000	1,200,000	1,200,000
Cash, cash equivalents and restricted cash	$ 13,276,000	$ 10,849,000	$ 17,085,000	$ 6,733,000

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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