Note 5 - Property, Plant and Equipment (Details) - Major Classes of Property, Plant and Equipment (USD $)	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 19,504,313		$ 17,288,754
Less: Accumulated depreciation and amortization	(4,012,202)		(4,394,600)
	15,492,111		12,894,154
Depreciation and amortization expense (1)	646,422	[1]	515,215	[1]
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,220,000		2,110,000
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	6,631,039		8,903,514
Building Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,417,620		1,746,712
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,329,299		2,034,012
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	703,999		356,460
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	576,111		536,206
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	65,994		41,599
Lab Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,560,251		$ 1,560,251

[1] Includes amortization expense of $20,434 and $14,096 for the years ending December 31, 2013 and 2012, respectively. Such amortization expense relates toother capitalized and intangible assets.