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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Cash and cash equivalents	$ 42,587	$ 33,262
Restricted cash included in other noncurrent assets	1,200	1,200
Total cash, cash equivalents, and restricted cash shown in the unaudited condensed consolidated statements of cash flows	$ 43,787	$ 34,462

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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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