Note 9 - Leases - Operating Lease (Details)	3 Months Ended
Jun. 30, 2019 USD ($)
Operating lease cost	$ 38,641
Variable lease cost	30,227
Total	68,868
Operating cash flows for leases	$ 43,365
Remaining lease term (Year)	1 year 182 days
Discount rate	3.50%

Remaining term of lessee's operating lease.

No definition available.

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- Definition

Represents discount rate of operating lease.

+ References

No definition available.

+ Details

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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
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+ Details

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

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-Publisher FASB
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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-Publisher FASB
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