Significant Customers & Geographical Information (Details) (USD $)
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3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Sales by product and by geographical region | ||||
Total sales | $ 2,278,235 | $ 2,326,976 | $ 4,767,778 | $ 4,248,334 |
United States
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Sales by product and by geographical region | ||||
Total sales | 1,080,451 | 1,043,646 | 2,380,952 | 1,914,136 |
Canada
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Sales by product and by geographical region | ||||
Total sales | 66,741 | 193,336 | 122,343 | 336,846 |
Other Foreign
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Sales by product and by geographical region | ||||
Total sales | 1,131,043 | 1,089,994 | 2,264,483 | 1,997,352 |
Instruments
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Sales by product and by geographical region | ||||
Total sales | 751,451 | 559,167 | 1,268,901 | 1,127,737 |
Handpieces
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Sales by product and by geographical region | ||||
Total sales | 1,475,696 | 1,729,302 | 3,401,359 | 3,039,282 |
Other
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Sales by product and by geographical region | ||||
Total sales | $ 51,088 | $ 38,507 | $ 97,518 | $ 81,315 |