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REVENUE RECOGNITION, Contract Assets and Contract Liabilities (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Contract with Customer, Asset and Liability [Abstract] |  |
Total Accounts Receivable | $ 5,594,000 | $ 6,034,000
Total Deferred Revenue | 1,200,000 | 1,256,000
Regulated Revenue [Member] |  |
Contract with Customer, Asset and Liability [Abstract] |  |
Total Accounts Receivable | 5,174,000 | 5,631,000
Contract Assets | 2,211,000 | 2,397,000
Total Deferred Revenue | 1,001,000 | 1,053,000
Refund Liability | 748,000 | 0
Deferred Revenue | 1,100,000 |
Non-Regulated Revenue [Member] |  |
Contract with Customer, Asset and Liability [Abstract] |  |
Total Accounts Receivable | 420,000 | 403,000
Total Deferred Revenue | 199,000 | $ 203,000
Deferred Revenue | $ 160,000 |

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- Definition For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. + 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(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: 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(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(9)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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