BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Impact of Adoption on Unaudited Condensed Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Balance Sheet:
Accounts receivable, net	$ 19,165	$ 6,105
Accrued liabilities	6,891	6,311
Income and other taxes payable	5,581	7,887
Accumulated deficit	(194,033)	$ (133,306)
Accounting Standards Update 2014-09 \| Balances Without Adoption of ASU 2014-09
Balance Sheet:
Accounts receivable, net	18,629
Accrued liabilities	6,381
Income and other taxes payable	5,571
Accumulated deficit	(194,049)
Accounting Standards Update 2014-09 \| Impact of Adoption of ASU 2014-09
Balance Sheet:
Accounts receivable, net	536
Accrued liabilities	510
Income and other taxes payable	10
Accumulated deficit	$ 16

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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