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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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The average effective interest rate during the reporting period.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt discount.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of a type of municipal bond typically used to fund a development project. Also called special assessment limited liability bond, special district bond, special purpose bond, special tax bond and community development obligation. Interest owed to lenders is paid by taxes levied on the community benefiting from the particular bond-funded project. For example, if a bond of this sort was issued to pay for sidewalks to be repaved in a certain community, an additional tax would be levied on homeowners in the area benefiting from this project.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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NOTES PAYABLE AND SPECIAL ASSESSMENT OBLIGATIONS (Details) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Oct. 02, 2017	Mar. 31, 2018	Dec. 31, 2017	Jan. 31, 2015
Debt Instrument [Line Items]
Debt		$ 35,033	$ 34,551
Less: Deferred Financing Costs of Notes Payable		(405)	(446)
Total Notes Payable, Net		34,628	34,105
Unamortized discount		1,000
MacArthur Loan [Member]
Debt Instrument [Line Items]
Less: Deferred Financing Costs of Notes Payable			$ (500)
Special Assessment Bonds [Member]
Debt Instrument [Line Items]
Face Amount		2,300
Secured Debt [Member] \| 50 Million Non-recourse Note Payable [Member]
Debt Instrument [Line Items]
Face Amount		$ 32,300
Stated rate (percentage)		5.41%	5.31%
Secured Debt [Member] \| 5.9 Million Note Payable [Member]
Debt Instrument [Line Items]
Face Amount		$ 5,900
Stated rate (percentage)		5.75%
Variable rate (percent)		2.00%
Interest rate during period (percent)		5.75%
Unsecured Debt [Member] \| Legal Settlement [Member]
Debt Instrument [Line Items]
Face Amount		$ 10,200
Stated rate (percentage)		4.00%
Effective rate (percentage)		14.60%
Unamortized discount		$ 1,700
LIBOR [Member] \| MacArthur Loan [Member]
Debt Instrument [Line Items]
Variable rate (percent)	3.75%
Mortgage Loans On Real Estate Interest		1.88%	1.56%
LIBOR [Member] \| Secured Debt [Member] \| 50 Million Non-recourse Note Payable [Member]
Debt Instrument [Line Items]
Variable rate (percent)		3.25%	3.75%
Prime Rate [Member] \| Secured Debt [Member] \| 5.9 Million Note Payable [Member]
Debt Instrument [Line Items]
Variable rate (percent)		3.00%
Minimum [Member] \| Special Assessment Bonds [Member]
Debt Instrument [Line Items]
Stated rate (percentage)		6.00%
Maximum [Member] \| Special Assessment Bonds [Member]
Debt Instrument [Line Items]
Stated rate (percentage)		7.50%
Discontinued Operations, Disposed of by Sale [Member] \| Secured Debt [Member] \| 50 Million Non-recourse Note Payable [Member]
Debt Instrument [Line Items]
Debt		$ 19,815		$ 19,557
Continuing Operations [Member] \| Special Assessment Bonds [Member]
Debt Instrument [Line Items]
Special Assessment Bond		116	$ 116
Continuing Operations [Member] \| Secured Debt [Member] \| 5.9 Million Note Payable [Member]
Debt Instrument [Line Items]
Debt		5,940	5,940
Continuing Operations [Member] \| Unsecured Debt [Member] \| Legal Settlement [Member]
Debt Instrument [Line Items]
Debt		$ 9,162	$ 8,938