Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements Of Operations
Net sales from continuing operations	$ 5,539,039	$ 4,707,607	$ 10,994,565	$ 9,228,494
Cost of sales	2,510,109	2,298,257	5,084,980	4,554,037
Gross profit	3,028,930	2,409,350	5,909,585	4,674,457
Operating expenses:
Research and development	867,219	898,769	1,822,626	1,732,258
Selling, general and administrative	3,491,262	3,321,447	6,859,146	6,204,932
Total operating expenses	4,358,481	4,220,216	8,681,772	7,937,190
Operating loss	(1,329,551)	(1,810,866)	(2,772,187)	(3,262,733)
Interest expense	322,114	214,274	521,362	432,088
Other income	(2,000)	(777)	(6,873)	(1,126)
Loss from continuing operations before income taxes	(1,649,665)	(2,024,363)	(3,286,676)	(3,693,695)
Income tax expense (benefit)	30,334	(15,706)	(1,060,912)	(74,514)
Loss from continuing operations	(1,679,999)	(2,008,657)	(2,225,764)	(3,619,181)
Discontinued operations:
(Loss) income from discontinued operations	(86,669)	61,814	89,083	212,898
Gain on sale of discontinued operations			2,942,095
Income tax (benefit) expense	(30,334)	15,706	1,060,912	74,514
(Loss) income from discontinued operations	(56,335)	46,108	1,970,266	138,384
Net loss	(1,736,334)	(1,962,549)	(255,498)	(3,480,797)
Preferred stock dividend accretion	367,378	342,749	728,438	679,603
Net loss applicable to common stockholders	$ (2,103,712)	$ (2,305,298)	$ (983,936)	$ (4,160,400)
Loss per common share from continuing operations - basic and diluted	$ (0.08)	$ (0.09)	$ (0.11)	$ (0.17)
(Loss) income per common share from discontinued operations - basic and diluted	(0.00)	0.00	0.07	0.00
Per share basic and diluted net loss applicable to common stockholders	$ (0.08)	$ (0.09)	$ (0.04)	$ (0.17)
Weighted-average number of common shares outstanding: Basic and diluted	26,823,919	26,595,219	26,812,176	24,700,099