Note 12 - Segment and Geographic Information (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Orthobiologics	$	18,278,254	$	16,506,226	$	29,850,404	$	27,789,773
Dermal		348,961		557,059		537,612		798,643
Surgical		1,376,530		1,830,022		3,128,549		2,818,886
Ophthalmic		363,411		464,340		571,996		1,392,798
Veterinary		900,000		709,760		1,530,000		1,761,796
	$	21,267,156	$	20,067,407	$	35,618,561	$	34,561,896

Schedule of Revenue and Operating Income by Geographical Areas [Table Text Block]

	Three Months Ended June 30,
	2014					2013
	Total Revenue		Percentage of Revenue			Total Revenue		Percentage of Revenue
Geographic Location:
United States	$	22,946,738		87	%	$	15,482,068		74	%
Europe		1,793,841		7	%		1,986,195		10	%
Other		1,534,081		6	%		3,360,114		16	%
Total	$	26,274,660		100	%	$	20,828,377		100	%

	Six Months Ended June 30,
	2014					2013
	Total Revenue		Percentage of Revenue			Total Revenue		Percentage of Revenue
Geographic Location:
United States	$	54,480,556		90	%	$	27,765,515		77	%
Europe		3,489,656		6	%		3,569,963		10	%
Other		2,314,735		4	%		4,739,910		13	%
Total	$	60,284,947		100	%	$	36,075,388		100	%