Segment and Geographic Information (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Segment and Geographic Information [Abstract]
Number of operating segments	2			2
Number of reportable segments	2			2
Segment Reporting Information [Line Items]
Revenues	$ 19,670,000		$ 16,265,000	$ 38,670,000	$ 34,421,000
Cost of revenues and royalties	8,086,000		6,348,000	16,202,000	13,773,000
Gross profit (loss)	11,584,000		9,917,000	22,468,000	20,648,000
Operating expenses	12,853,000		13,978,000	26,058,000	26,687,000
Loss from operations	(1,268,965)		(4,060,615)	(3,589,577)	(6,038,577)
Assets	172,392,176	178,061,480		172,392,176
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	19,669,859		16,265,245	38,669,662	34,420,975
Long-Lived Assets	36,459,000	36,714,000		36,459,000
Consumer product revenues	900,409	3,500,000	0	1,879,177	0
Inventories	25,241,532	21,175,754		25,241,532
Finished goods inventory on consignment	600,000	800,000		600,000
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	10,341,000		8,865,000	20,886,000	19,816,000
Long-Lived Assets	36,310,000	36,550,000		36,310,000
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	3,043,000		1,994,000	6,225,000	4,410,000
Long-Lived Assets	95,000	107,000		95,000
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,231,000		1,452,000	2,988,000	2,303,000
South and Central America [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	501,000		826,000	1,634,000	1,775,000
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	745,000		526,000	1,606,000	1,078,000
Long-Lived Assets	54,000	57,000		54,000
Middle East [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,819,000		1,077,000	2,642,000	1,992,000
Asia / Pacific Rim [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	759,000		794,000	1,113,000	1,510,000
Australia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	1,231,000		731,000	1,576,000	1,537,000
Professional Product segment [Member]
Segment Reporting Information [Line Items]
Revenues	18,770,000		16,265,000	36,791,000	34,421,000
Cost of revenues and royalties	7,310,000		6,334,000	14,591,000	13,717,000
Gross profit (loss)	11,460,000		9,931,000	22,200,000	20,704,000
Operating expenses	11,802,000		13,050,000	24,060,000	25,135,000
Loss from operations	(342,000)		(3,119,000)	(1,860,000)	(4,431,000)
Assets	166,500,000	171,700,000		166,500,000
Consumer Product segment [Member]
Segment Reporting Information [Line Items]
Revenues	900,000		0	1,879,000	0
Cost of revenues and royalties	776,000		14,000	1,611,000	56,000
Gross profit (loss)	124,000		(14,000)	268,000	(56,000)
Operating expenses	1,051,000		928,000	1,998,000	1,552,000
Loss from operations	(927,000)		(942,000)	(1,730,000)	(1,608,000)
Assets	5,900,000	6,300,000		5,900,000
Revenues from External Customers and Long-Lived Assets [Line Items]
Inventories	$ 5,100,000	$ 5,300,000		$ 5,100,000