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REVENUE RECOGNITION AND CONTRACTS WITH CUSTOMERS (Tables) | 12 Months Ended
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Dec. 31, 2018
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue |
| Balance at December 31, 2017 |  | New Revenue Standard Adjustment |  | Balance at January 1, 2018
Liabilities |  |  |  |  |
Deferred revenue | $ | 2,474 |  |  | $ | (2,474 | ) |  | $ | — |
Equity |  |  |  |  |
Accumulated deficit | $ | (309,287 | ) |  | $ | 2,474 |  |  | $ | (306,813 | )

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130545-203045 + Details
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