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BALANCE SHEET DETAILS
 6 Months Ended
Jun. 30, 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):

 June 30,
2021		December 31,
2020
Cash $36,654 $13,908 
Money market funds70,620 45,614 
Cash and cash equivalents$107,274 $59,522 

Accounts and Other Receivables
Accounts and other receivables consisted of the following (in thousands):
June 30,
2021		December 31,
2020
Trade accounts receivable$2,193 $1,618 
Other receivables719 600 
Accounts and other receivables$2,912 $2,218 

Allowance for credit losses as of June 30, 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):

June 30,
2021		December 31,
2020
Prepaid expenses882 816 
Contract assets - current10,821 11,623 
Other current assets239 171 
Prepaid expenses and other current assets11,942 12,610 

Other Assets

Other assets consisted of the following (in thousands):

June 30,
2021		December 31,
2020
Contract assets - long-term$3,172 $4,596 
Right-of-use ("ROU") assets1,236 1,607 
Deferred tax assets2,659 2,659 
Other assets155 138 
Total other assets$7,222 $9,000 

Other Current Liabilities

Other current liabilities are as follows (in thousands):
June 30,
2021		December 31,
2020
Lease liabilities - current1,289 1,382 
Other current liabilities1,683 1,075 
Total other current liabilities$2,972 $2,457