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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
NET SALES $ 7,306 $ 9,093 $ 14,680 $ 16,299
COST OF GOODS SOLD 3,896 4,531 7,589 8,633
Gross profit 3,410 4,562 7,091 7,666
OPERATING EXPENSES:        
Selling, general and administrative 5,419 5,278 12,157 10,273
Research and development 913 654 1,677 1,202
Operating Expenses 6,332 5,932 13,834 11,475
LOSS FROM OPERATIONS (2,922) (1,370) (6,743) (3,809)
OTHER INCOME (EXPENSE):        
Interest expense, net (151) (231) (304) (504)
Effect on warrants 200 1,000 600 1,000
Other, net 0 8 53 28
Other Income (Expense) 49 777 349 524
LOSS BEFORE INCOME TAXES (2,873) (593) (6,394) (3,285)
INCOME TAX EXPENSE (6) (30) 60 (26)
NET LOSS (2,867) (563) (6,454) (3,259)
PREFERRED STOCK DIVIDENDS (181) (165) (362) (330)
NET LOSS AVAILABLE TO COMMON STOCKHOLDERS $ (3,048) $ (728) $ (6,816) $ (3,589)
BASIC AND DILUTED LOSS PER COMMON SHARE $ (0.03) $ (0.01) $ (0.08) $ (0.05)
BASIC AND DILUTED WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING 88,245,725 71,645,725 86,136,333 67,164,626