Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of cash, cash equivalents and restricted cash
Cash and cash equivalents	$ 18,106	$ 31,081
Restricted cash included in other current assets	136	136
Restricted cash included in other long-term assets	884	718
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$ 19,126	$ 31,935
Location of current restricted cash	us-gaap:OtherAssetsCurrent	us-gaap:OtherAssetsCurrent
Location of noncurrent restricted cash	us-gaap:OtherAssetsNoncurrent	us-gaap:OtherAssetsNoncurrent