SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2012

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of estimated useful lives of property, plant and equipment

Production equipment	3 to 13 years
Office furniture and equipment	3 to 10 years
Buildings	39 years
Building improvements	15 years
Automobiles	7 years

Schedule of significant customers

	Years Ended December 31,
	2012	2011	2010
Number of significant customers	3	4	3
Aggregate dollar amount of net sales to significant customers	$13.7 million	$16.2 million	$13.9 million
Percentage of net sales to significant customers	40.6%	50.6%	38.6%

Schedule of earnings per share

		Years Ended December 31,
		2012			2011		2010
Net income (loss)	$	(4,132,892	)	$	1,418,482	$	2,400,694
Preferred dividend requirements		(918,108	)		(964,047	)	(1,370,620	)
Effect of dilutive securities:
Convertible debt interest and loan fees		—			(10,120	)	—
Earnings (loss) available to common shareholders after assumed conversions	$	(5,051,000	)	$	444,315	$	1,030,074
Average common shares outstanding		26,219,728			24,171,238		23,872,783
Dilutive stock equivalents from stock options		—			2,101,825		2,376,091
Shares issuable upon conversion of convertible debt		—			81,723		—
Average common and common equivalent shares outstanding - assuming dilution		26,219,728			26,354,786		26,248,874
Basic earnings per share	$	(0.19	)	$	0.02	$	0.04
Diluted earnings per share	$	(0.19	)	$	0.02	$	0.04

Schedule of share-based compensation costs

		Years Ended December 31,
		2012		2011		2010
Cost of sales	$	—	$	—	$	182,892
Sales and marketing		—		—		78,343
Research and development		—		—		28,259
General and administrative		—		—		1,050,806
	$	—	$	—	$	1,340,300