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REVENUE RECOGNITION (Tables) | 9 Months Ended
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Sep. 30, 2019
Revenue Recognition |
Summary of contracts asset and liabilities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | September 30, 2019 | ​ | December 31, 2018 | ​ | ​ | $ Change | ​ | % Change
Contract asset – current | $ | 2,148 | ​ | $ | 1,900 | ​ | $ | 248 | ​ | 13 | %
Contract asset – noncurrent | ​ | 703 | ​ | ​ | 802 | ​ | ​ | (99) | ​ | (12) | %
Contract liabilities | ​ | (17,729) | ​ | ​ | (13,787) | ​ | ​ | (3,942) | ​ | (29) | %
Net contract liability | $ | (14,878) | ​ | $ | (11,085) | ​ | $ | (3,793) | ​ | (34) | %

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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