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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Revenues $ 7,030 $ 6,470 $ 20,105 $ 18,742
Cost of Sales 1,595 1,542 4,526 4,801
Gross margin 5,435 4,928 15,579 13,941
Operating expenses        
Selling, general and administrative 3,553 3,216 10,410 9,939
Research and development 868 736 2,444 2,100
Amortization of intangible assets 494 497 1,488 1,662
Total operating expenses 4,915 4,449 14,342 13,701
Income from operations 520 479 1,237 240
Other income (loss)        
Gain on settlement of note payable and litigation 0 0 1,034 0
Interest income 0 48 0 48
Gain (loss) on sale/disposal of assets 0 72 0 72
Loss on debt refinancing 0 0 (1,402) 0
Foreign currency translation gain (loss) 2 5 (10) (19)
Interest expense and other (288) (328) (1,009) (1,378)
Interest expense- amortization of original issue discount (OID) (10) (128) (64) (403)
Total other income (loss), net (296) (331) (1,451) (1,680)
Income (loss) from operations before income taxes 224 148 (214) (1,440)
Income tax provision (63) (39) (140) (120)
Net income (loss) 161 109 (354) (1,560)
Other comprehensive income (loss):        
Foreign currency gain (loss) 14 (34) (4) 8
Other comprehensive income (loss) $ 175 $ 75 $ (358) $ (1,552)
Basic and diluted net income (loss) per share        
Basic (in Dollars per share) $ 0.03 $ 0.02 $ (0.06) $ (0.28)
Diluted (in Dollars per share) $ 0.03 $ 0.02 $ (0.06) $ (0.28)
Weighted average basic and diluted shares        
Basic (in Shares) 6,008,000 5,929,000 5,986,000 5,565,000
Diluted (in Shares) 6,284,000 6,217,000 5,986,000 5,565,000