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Long-Term Debt (Details Narrative) - USD ($)			6 Months Ended	12 Months Ended
	Nov. 06, 2015	Dec. 31, 2012	Jun. 30, 2019	Dec. 31, 2015	Dec. 31, 2018	Jul. 05, 2013
PWSS Term Loan [Member]
Debt amount						$ 750,000
Debt fixed interest rate						5.00%
Outstanding loan balance			$ 592,000		$ 605,000
Debt term						10 years
Debt description			On July 5, 2013, PWSS borrowed $750,000 from a regional bank (the "PWSS Term Loan"). The PWSS Term Loan carries a fixed interest rate of 5.0%, a term of 10-years and amortizes based on a twenty-year principal amortization schedule.
Capitalized debt cost			$ 11,000		12,000
Municipal Debt [Member]
Debt fixed interest rate		5.00%
Debt term		15 years
Debt maturity date		Feb. 01, 2020
Municipal debt securities carrying value			77,000		83,000
PWRS Bonds [Member]
Debt maturity year	2034
Capitalized expenses				$ 441,000
Debt repayment in cash				97,000
Proceeds from issuance of debt				$ 344,000
Outstanding loan balance			8,768,000		8,870,000
Unamortized debt costs			$ 337,000		$ 348,000
PWRS Bonds [Member] | Land and Intangibles [Member]
Debt amount	$ 10,150,000
Debt fixed interest rate	4.34%

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Capitalized debt cost.

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Capitalized expenses.

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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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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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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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Description of long-term debt arrangements, which are debt arrangements that originally require full repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer, and disclosures pertaining to the underlying arrangements, including repayment terms, conversion features, interest rates, restrictions on assets and activities, debt covenants, and other matters important to users of the financial statements. Types of long-term debt arrangements include borrowing under notes payable, bonds payable, debentures, term loans, and other contractual obligations for payment.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Bonds or similar securities issued by state, city, or local governments or the agencies operated by state, city, or local governments which are 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. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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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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