Note 8 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

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

	201 5		201 4			2013
Current provision:
Federal		3,045,292	$	3,368,974		$	2,982,023
State		482,186		548,225			527,042
		3,527,478		3,917,199			3,509,065
Deferred provision (benefit):
Federal		212,563		210,343			399,032
State		76,607		(26,853	)		46,945
		289,170		183,490			445,977
	$	3,816,648	$	4,100,689		$	3,955,042

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

	201 5			201 4			2013
United States	$	9,272,854		$	10,339,632		$	9,920,099
United Kingdom		(43,567	)		557,776			565,538
Canada		813,824			874,571			858,532
Australia		48,633			102,922			69,905
Spain		127,309			(67,291	)		(193,315	)
	$	10,219,053		$	11,807,610		$	11,220,759

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

	2015			201 4
Deferred income tax assets:
Allowance for doubtful accounts	$	-		$	150
Capitalized inventory costs		260,385			306,592
Warrants and stock-based compensation		44,151			44,151
Accrued expenses, reserves, and other		66,444			64,747
Total deferred income tax assets		370,980			415,640
Deferred income tax liabilities:
Property and equipment depreciation		1,529,397			1,299,826
Goodwill and other intangible assets amortization		217,268			202,328
Total deferred income tax liabilities		1,746,665			1,502,154
Net deferred tax asset (liability)	$	(1,375,685	)	$	(1,086,514	)

Schedule Of Net Deferred Tax Liability [Table Text Block]

	201 5			201 4
Current deferred tax assets	$	326,830		$	371,491
Long-term deferred tax liabilities		(1,702,515	)		(1,458,005	)
Net deferred tax asset (liability)	$	(1,375,685	)	$	(1,086,514	)

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

	2015			201 4			2013
Statutory rate – Federal US income tax		34	%		34	%		34	%
State and local taxes		6	%		5	%		6	%
Non-U.S. income tax at different rates		-			(1%	)		(1%	)
Domestic production activities deduction		(1%	)		(1%	)		(2%	)
Other, net		(2%	)		(2%	)		(2%	)
Effective rate		37	%		35	%		35	%