v3.8.0.1

DEBT (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2016 | Sep. 30, 2017 USD ($) | Sep. 30, 2016 | Sep. 30, 2017 USD ($) | Sep. 30, 2016 | Dec. 31, 2016 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Line of Credit Facility, Expiration Period |  | 2 years |  |  |  |
Debt, non-current |  | $ 20,000,000 |  | $ 20,000,000 |  | $ 0
Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum borrowing capacity |  | 20,000,000.0 |  | $ 20,000,000.0 |  |
Required liquidity ratio |  |  |  | 1.25 |  |
Requitred minimum cash balance as of the last day of each month |  | 35,000,000 |  | $ 35,000,000 |  |
Potential increase in interest rate |  |  |  | 5.00% |  |
Debt, non-current |  | $ 20,000,000 |  | $ 20,000,000 |  |
Revolving Credit Facility | Weighted Average |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate during the period |  | 3.09% | 2.35% | 2.85% | 2.36% |
Revolving Credit Facility | Prime Rate |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate | 1.00% |  |  |  |  |
Revolving Credit Facility | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate | 1.75% |  |  |  |  |

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- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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