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INCOME TAXES - Deferred Tax Assets and Liabilities (Detail) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Deferred tax assets:    
Accounts receivable and financing receivables $ 1,048,162 $ 971,132
Accrued vacation 1,254,057 1,191,286
Stock-based compensation 760,501 491,921
Deferred revenue 232,583 48,383
Accrued liabilities and other 166,213 155,569
Other comprehensive income 6,629 0
Total deferred tax assets 3,468,145 2,858,291
Deferred tax liabilities:    
Other comprehensive income 0 6,967
Depreciation 1,777,324 2,486,032
Total deferred tax liabilities $ 1,777,324 $ 2,492,999