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ACCOUNTS RECEIVABLE AND CONTRACT ASSETS | 12 Months Ended
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Dec. 31, 2020
ACCOUNTS RECEIVABLE AND CONTRACT ASSETS |
ACCOUNTS RECEIVABLE AND CONTRACT ASSETS | NOTE 6—ACCOUNTS RECEIVABLE AND CONTRACT ASSETS Accounts receivable and contract assets, net of valuation allowance, consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Years Ended December 31, |
​ |  | 2020 |  | 2019 |
Accounts receivable | ​ | $ | 45,499 | ​ | $ | 48,416 | ​
Contract assets | ​ |  | 21,825 | ​ |  | 28,529 | ​
Receivables from related parties | ​ |  | 149 | ​ |  | 131 | ​
​ | ​ | $ | 67,473 | ​ | $ | 77,076 | ​
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