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Note 9 - Term Loan and Line of Credit Agreements (Details Textual) - USD ($) |  | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 20, 2016 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2018 | May 31, 2018
Long-term Debt, Gross |  | $ 10,898,000 |  | $ 10,898,000 |
Restricted Cash and Cash Equivalents, Noncurrent, Total |  | $ 502,000 | $ 2,826,000 | 502,000 |
Long-term Debt, Weighted Average Interest Rate, over Time |  | 5.35% | 5.35% |  |
Home Savings Bank [Member] |  |  |  |  |
Repayments of Lines of Credit | $ 9,100,000 |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 5,000,000
Line of Credit Facility, Amounts in Excess of, Subject to Borrowing Base |  |  |  |  | 1,000,000
Line of Credit, Current |  | $ 0 | $ 0 | $ 0 | $ 0
Line of Credit Facility, Interest Rate at Period End |  | 5.50% |  | 5.50% |
Home Savings Bank [Member] | Line of Credit [Member] | Prime Rate [Member] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 0.25% |
Term Loan Agreement [Member] |  |  |  |  |
Long-term Debt, Gross |  | $ 10,898,000 | 11,464,000 | $ 10,898,000 |
Debt Issuance Costs, Net, Total |  | 153,000 | 172,000 | 153,000 |
Term Loan Agreement [Member] | Laurel Capital Corporation [Member] |  |  |  |  |
Long-term Debt, Gross | 12,000,000 |  |  |  |
Restricted Cash and Cash Equivalents, Noncurrent, Total | $ 2,900,000 | $ 500,000 | $ 2,800,000 | $ 500,000 |
Debt Instrument, Periodic Payment, Number of Payments | 119 |  |  |  |
Debt Instrument, Maturity Schedule | 15 years |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage, First Five Years | 5.35% |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage, After Year Five, if Greater Than Sum of Index Rate and 3.95% | 5.35% |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage, After Year Five, Plus Index Rate, if Greater Than 5.35% | 3.95% |  |  |  |
Debt Instrument, Maximum Interest Rate, Years Six Through Ten | 7.50% |  |  |  |
Debt Instrument, Prepayment Penalty, Percentage, First Five Years | 5.00% |  |  |  |
Debt Instrument, Prepayment Penalty, Percentage, Years Six and Seven | 4.00% |  |  |  |
Debt Instrument, Prepayment Penalty, Percentage, Years Eight and Nine | 3.00% |  |  |  |
Debt Instrument, Prepayment Penalty, Percentage, Year Ten | 2.00% |  |  |  |
Debt Issuance Costs, Net, Total | $ 191,000 |  |  |  |

X
- Definition Contractual interest rate for funds borrowed under the debt agreement after the fifth year, if greater than the sum of the Index Rate on the date two business days prior to the reset date and 3.95%. + References No definition available. + Details
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- Definition Contractual interest rate for funds borrowed under the debt agreement, plus the Index Rate on the date two business days prior to the reset date, if greater than 5.35%. + References No definition available. + Details
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- Definition Under the line of credit facility, borrowings in excess of a specific amount are subject to a borrowing base which is calculated based off a specific level of eligible accounts receivable of the waste management business as defined in the agreement. + References No definition available. + Details
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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6812-107765 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 305 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84242212&loc=d3e2352-115587 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3044-108585 + Details
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