The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of deferred revenue as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Land Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life		10 years
Land Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life		30 years
Building and Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life		5 years
Building and Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life		50 years
Machinery and Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life		3 years
Machinery and Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life		10 years
Wells and Related Equipment and Facilities [Member] \| Maximum [Member] \| Scenario, Forecast [Member]
Tangible Asset Impairment Charges	$ 4,800
Wells and Related Equipment and Facilities [Member]
Property, Plant and Equipment, Net		$ 4,800
Annual Membership Fees [Member]
Deferred Revenue		$ 2,400	$ 2,300
AWMS Holdings LLC [Member]
Equity Method Investment, Ownership Percentage		47.00%	47.00%
Assuming Dilution Effect Member
Weighted Average Number of Shares Outstanding, Diluted		3,848,002	4,091,862
Asset Retirement Obligation		$ 100	$ 100
Weighted Average Number of Shares Outstanding, Basic		3,803,331	3,803,331
Cash and Cash Equivalents, at Carrying Value		$ 1,814	$ 4,329	$ 9,798
Property, Plant and Equipment, Net		$ 43,386	$ 35,954
Weighted Average Number of Shares Outstanding, Diluted		3,803,000	3,803,000