XML 42 R25.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2

Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2019

Cash and Cash Equivalents

Summary of Cash and Cash Equivalents

The following is a summary of cash and cash equivalents at December 31, 2018 and 2019 (in thousands):

		December 31,
		2018			2019
Cash		$	816		$	743
Investments with original maturity of less than three months at the time of purchase			16,688			11,142
Total cash and cash equivalents		$	17,504		$	11,885

X

- References

No definition available.

+ Details

Name:	us-gaap_CashAndCashEquivalentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of cash and cash equivalents.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfCashAndCashEquivalentsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration