Note 11 - Debt - Future Annual Payments (Details)	Mar. 31, 2018 USD ($)
April 2018-March 2019	$ 896,317
April 2019-March 2020	173,035
April 2020-March 2021	48,796
April 2021-March 2022	47,400
April 2022-March 2023
Thereafter
Debt	$ 1,165,548

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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