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LEASES - Operating and Financing leases (Details) - USD ($) | Mar. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018
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Balance sheet presentation of our operating and financing leases |  |  |
Operating lease right-of-use assets | $ 689,000 | $ 750,000 |
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Operating lease right-of-use assets |  |
Finance lease assets | $ 208,000 |  |
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Property, Plant and Equipment, Net |  |
Total lease assets | $ 897,000 |  |
Operating lease obligations, current | $ 221,000 |  |
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Operating lease obligations, current |  |
Finance lease obligations | $ 58,000 |  | $ 57,000
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Finance lease obligations |  |
Operating lease liabilities, less current maturities | $ 470,000 |  |
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Operating lease liabilities, less current maturities |  |
Finance lease liabilities, less current maturities | $ 140,000 |  | $ 155,000
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Finance lease liabilities, less current maturities |  |
Total lease liabilities | $ 889,000 |  |

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