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BALANCE SHEET DETAILS
 3 Months Ended
Mar. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
BALANCE SHEET DETAILS BALANCE SHEETS DETAILS
Cash and Cash Equivalents

Our cash and cash equivalent balances were as follows (in thousands):
 March 31,
2021		December 31,
2020
Cash $32,008 $13,908 
Money market funds70,616 45,614 
Cash and cash equivalents$102,624 $59,522 
Accounts and Other Receivables
Accounts and other receivables consisted of the following (in thousands):
March 31,
2021		December 31,
2020
Trade accounts receivable$1,402 $1,618 
Other receivables632 600 
Accounts and other receivables$2,034 $2,218 

Allowance for credit losses as of March 31, 2021 and December 31, 2020 were not material.

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following (in thousands):
March 31,
2021		December 31,
2020
Prepaid expenses846 816 
Contract assets - current10,172 11,623 
Other current assets195 171 
Prepaid expenses and other current assets11,213 12,610 

Other Assets

Other assets consisted of the following (in thousands):
March 31,
2021		December 31,
2020
Contract assets - long-term$3,776 $4,596 
Right-of-use ("ROU") assets1,439 1,607 
Deferred tax assets2,659 2,659 
Other assets113 138 
Total other assets$7,987 $9,000 

Other Current Liabilities

Other current liabilities are as follows (in thousands):
March 31,
2021		December 31,
2020
Lease liabilities - current1,365 1,382 
Other current liabilities1,353 1,075 
Total other current liabilities$2,718 $2,457