Note 4 - Leases (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Lessee, Operating and Finance Lease, Assets and Liabilities [Table Text Block]

	December 31 , 2019			December 31, 2018
Operating leases :
Operating lease, right-of-use	$	5,053,614		$	-
Operating lease liabilities – current	$	999,685		$	-
Operating lease liabilities – non-current		4,141,855			-
Total operating lease liabilities	$	5,141,540		$	-
Finance leases :
Property and equipment, at cost	$	1,362,272		$	1,182,778
Accumulated depreciation		(1,156,145	)		(1,169,272	)
Property and equipment, net	$	206,127		$	13,506
Finance lease liabilities – current	$	34,772		$	13,789
Finance lease liabilities – non-current		172,273			-
Total finance lease liabilities	$	207,045		$	13,789
Weighted average remaining lease term:
Operating leases		10.2			-
Finance lease		5.5			0.8
Weighted average discount rate:
Operating leases		6.4	%		-
Finance leases		3.9	%		7.3	%

Maturity of Operating and Finance Lease Liabilities [Table Text Block]

	Operating lease			Finance lease
January 2020 – December 2020	$	1,037,680		$	42,290
January 2021 – December 2021		860,320			42,290
January 2022 – December 2022		782,984			40,722
January 2023 – December 2023		740,531			36,099
January 2024 – December 2024		688,008			37,041
Thereafter		2,899,120			32,549
Total payment under lease agreements		7,008,644			230,991
Less imputed interest		(1,867,104	)		(23,947	)
Total lease liability	$	5,141,540		$	207,044

Schedule of Future Minimum Lease Payments for Capital Leases and Operating Leases [Table Text Block]

Year ending December 31,	Operating lease
2019	$	712,250
2020		578,997
2021		402,584
2022		350,249
Thereafter		560,977
Total	$	2,605,057