Note 10 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	Dec. 31 2017			Dec. 31 2016
Current:
Federal	$	(188,549	)	$	448,462
State		(11,964	)		-
Foreign		317,823			203,824
	$	117,310		$	652,286
Deferred
Federal	$	732,895		$	70,223
State		(79,598	)		71,716
Foreign		(59,074	)		(91,348	)
		594,223			50,591
Total Income Tax Provision	$	711,533		$	702,877

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2017			2016
Deferred tax assets:
Federal and state net operating loss carryforwards	$	523,808		$	438,075
Foreign tax credit and other credits		592,993			581,917
Reserves and accruals		271,884			731,655
Unicap 263A adjustment		126,944			170,765
Other deferred tax assets		26,198			17,922
Foreign and VIE net operating loss carryforwards		569,147			541,983
Total gross deferred tax assets		2,110,974			2,482,317
Deferred tax liabilities:
Fixed assets and intangibles		(273,746	)		(740,627	)
Deferred state income tax		(103,055	)		-
Total gross deferred tax liabilities		(376,801	)		(740,627	)
Less: valuation allowance		(631,706	)		(45,000	)
Net deferred tax assets		1,102,467			1,696,690

Summary of Valuation Allowance [Table Text Block]

Deferred Tax Asset Valuation Allowance		2017		201 6
Beginning Balance	$	45,000	$	45,000
Additions charged (credited) to expense	$	586,706	$	-
Balance at end of year	$	631,706	$	45,000

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	Years Ended December 31,
	2017			201 6
Federal Taxes at statutory rate	$	(372,364	)	$	450,464
State income taxes , net of Federal tax effect		(60,695	)		67,768
Nondeductible expenses		35,083			51,741
Foreign taxes		522,803			132,905
Change in valuation allowance		586,706			-
Income tax provision	$	711,533		$	702,877