Note 9 - Proposed Recapitalization (Details Textual)	1 Months Ended	3 Months Ended	9 Months Ended
Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2017 USD ($)
Selling and Administrative Expenses [Member]
Recapitalization Costs		$ 975,000	$ 1,100,000
First National Bank of Omaha [Member] \| Revolving Credit Facility Commitment Letter [Member]
Commtiment to Provide Line of Credit, Maximum Proposed Borrowing Capacity	$ 10,000,000	10,000,000	10,000,000
First National Bank of Omaha [Member] \| Term Loan Commitment Letter [Member]
Commitment to Provide Long-term Debt	70,000,000	70,000,000	70,000,000
First National Bank of Omaha [Member] \| Delayed Draw Term Loan Facility Commitment Letter [Member]
Commitment to Provide Senior Notes	$ 20,000,000	$ 20,000,000	$ 20,000,000
Proposed Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	1,764,560
Proposed Forward Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	1,764,560

The amount of long term debt that has been committed to be provided by certain parties.

No definition available.

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- Definition

The amount of senior notes that has been committed to be provided by certain parties.

+ References

No definition available.

+ Details

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- Definition

The amount of credit that has been committed to be provided by certain parties.

+ References

No definition available.

+ Details

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- Definition

Amount of recapitalization costs for professional fees associated with restructuring debt and equity mixture that do not qualify for capitalization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b)(1))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

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- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

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