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Note 12 - Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Lease, Cost [Table Text Block]

The components of lease costs, lease term and discount rate with respect of leases with an initial term of more than 12 months are as follows:

		Three Months Ended
		March 31, 2019
Operating lease cost		$	146,069
Weighted Average Remaining Lease Term - Operating leases		5.58 years
Weighted Average Discount Rate - Operating leases			5	%

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The following is a schedule, by years, of maturities of lease liabilities as of March 31, 2019:

		Operating Leases
The remainder of 2019		$	441,127
Fiscal year 2020			604,811
Fiscal year 2021			622,956
Fiscal year 2022			641,644
Fiscal year 2023			660,894
Thereafter			508,000
Total undiscounted cash flows			3,479,432
Less: imputed interest			(454,153	)
Present value of lease liabilities		$	3,025,279

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- References

No definition available.

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- Definition

Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980

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- Definition

Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717

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