Note 6 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($)	Mar. 31, 2018	Mar. 31, 2017
Property and equipment, gross	$ 26,620,424	$ 9,985,943
Less accumulated depreciation	(6,347,253)	(4,661,455)
Property and equipment, net	20,273,171	5,324,488
Furniture and Fixtures [Member]
Property and equipment, gross	7,696,590	8,377,988
Building [Member]
Property and equipment, gross	1,633,992	1,335,333
Equipment Leased to Other Party [Member]
Property and equipment, gross	$ 17,289,842	$ 272,622

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.

Reference 1: 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(14))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: 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(a)(8))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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