Supplemental Cash Flow Information - Supplemental and Non-cash transactions (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Supplemental Cash Flow Information
Interest paid	$ 5	$ 26
Income taxes paid		284
Deferred equity offering costs amortized	57	$ 32
Deferred equity offering costs written off	352
Capital expenditures accrued	$ 304

Deferred Equity Offering Costs Amortized

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- Definition

The amount of deferred equity offering costs written off during the year.

+ References

No definition available.

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- Definition

Future cash outflow to pay for purchases of fixed assets that have occurred.

+ References

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- Definition

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References

No definition available.

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