Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

		201 6		201 5		201 4
Current provision:
	Federal	$	3,108,894	$	3,045,292	$	3,368,974
	State		486,565		482,186		548,225
			3,595,459		3,527,478		3,917,199
Deferred provision (benefit):
	Federal		183,520		212,563		210,343
	State		21,591		76,607		(26,853	)
			205,111		289,170		183,490
		$	3,800,570	$	3,816,648	$	4,100,689

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

	201 6			201 5			201 4
United States	$	9,070,894		$	9,272,854		$	10,339,632
United Kingdom		(81,987	)		(43,567	)		557,776
Canada		1,034,027			813,824			874,571
Australia		82,622			48,633			102,922
Spain		97,273			127,309			(67,291	)
	$	10,202,829		$	10,219,053		$	11,807,610

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

	201 6		201 5
Deferred income tax assets:
Capitalized inventory costs	$	265,454	$	260,385
Warrants and share-based compensation		44,151		44,151
Accrued expenses, reserves, and other		65,631		66,444
Total deferred income tax assets	$	375,236	$	370,980
Deferred income tax liabilities:
Property and equipment depreciation	$	1,728,265	$	1,529,397
Goodwill and other intangible assets amortization		227,767		217,268
Total deferred income tax liabilities	$	1,956,032	$	1,746,665

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

	201 6			201 5			201 4
Statutory rate – Federal US income tax		34	%		34	%		34	%
State and local taxes		6	%		6	%		5	%
Non-U.S. income tax at different rates		-			-			(1	%)
Domestic production activities deduction		(1	%)		(1	%)		(1	%)
Other, net		(2	%)		(2	%)		(2	%)
Effective rate		37	%		37	%		35	%