Note 3 - Restricted Cash (Tables)

12 Months Ended

Mar. 31, 2019

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	March 31, 2019		March 31, 2018
Cash and cash equivalents	$	12,524,321	$	4,803,238
Restricted cash		123,409		269,659
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$	12,647,730	$	5,072,897