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Statements of Operations (Unaudited) (USD $)
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Statements Of Operations    
SALES$ 4,344,920$ 4,600,344$ 11,760,257$ 12,249,349
COST OF SALES2,255,3902,629,7866,021,2686,952,178
GROSS PROFIT2,089,5301,970,5585,738,9895,297,171
SELLING GENERAL & ADMINISTRATIVE EXPENSES1,472,2351,638,3204,675,8644,974,422
INCOME FROM OPERATIONS OTHER INCOME (EXPENSE)617,295332,2381,063,125322,749
OTHER INCOME (EXPENSE)    
Interest income4,5023,4199,3489,546
Interest expense(51,480)(53,265)(150,026)(162,962)
Other income, net30,6063,18234,44916,146
INCOME BEFORE INCOME TAXES600,923285,574956,896185,479
INCOME TAX PROVISION227,516114,229382,75874,191
NET INCOME373,407171,345574,138111,288
Retained earnings beginning of period7,143,9106,471,3146,943,1796,531,371
Retained earnings end of period$ 7,517,317$ 6,642,659$ 7,517,317$ 6,642,659
BASIC NET INCOME PER COMMON SHARE$ 0.08$ 0.04$ 0.12$ 0.02
DILUTED NET INCOME PER COMMON SHARE$ 0.08$ 0.03$ 0.12$ 0.02
Weighted average number of basic common shares outstanding4,892,9774,891,7604,892,9774,889,915
Weighted average number of diluted common shares outstanding4,896,8654,898,2034,897,4234,896,530