|
DESCRIPTION
|
Balance
at
Beginning
of
Period
|
Additions
Charged
to
Costs
and
Expenses
|
Deductions
|
Balance
at
End
of Period
|
||||||||||||
|
ALLOWANCE
FOR DOUBTFUL ACCOUNTS
|
||||||||||||||||
|
Year
ended December 31, 2009
|
$ | 2,026,000 | $ | 1,729,688 | $ | (2,577,468 | )(1) | $ | 1,178,220 | |||||||
|
Year
ended December 31, 2008
|
$ | 973,650 | $ | 1,845,828 | $ | (793,478 | )(1) | $ | 2,026,000 | |||||||
|
Year
ended December 31, 2007
|
$ | 838,000 | $ | 1,024,217 | $ | (888,567 | )(1) | $ | 973,650 | |||||||
|
VALUATION
ALLOWANCE FOR DEFERRRED TAX ASSETS
|
||||||||||||||||
|
Year
ended December 31, 2009
|
$ | 640,068 | $ | - | $ | (57,725 | ) | $ | 582,343 | |||||||
|
Year
ended December 31, 2008
|
$ | 502,292 | $ | 137,776 | $ | - | $ | 640,068 | ||||||||
|
Year
ended December 31, 2007
|
$ | 402,958 | $ | 99,334 | $ | - | $ | 502,292 | ||||||||
|
(1)
|
Amount
charged off, net of recoveries
|