Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Effective income tax rate reconciliation

Income tax provision for the years ended December 31 differed from the U.S. federal income tax rate of 34% approximately in the amounts indicated as a result of the following:



	2012			2011
Computed “expected” tax provision	$	(1,040	)	$	(2,242	)
Increase in the valuation allowance for deferred tax assets	845			2,752
Short-fall on stock options, warrants, and RSUs	245			145
State taxes	25			25
Permanent items	10			—
Other	(54		)	(36		)
Total income tax provision	$	31		$	644

Schedule of deferred tax assets and liabilities

The tax effects of these differences, to the extent they are temporary, are recorded as deferred tax assets and liabilities and consisted of the following components:



	2012			2011
Deferred tax assets:
Operating loss carryforward	$	1,919		$	872
Accounts receivable allowance	106			72
Warrants	—			202
Texas tax credit carryforward	228			232
Stock option compensation	1,306			1,206
Goodwill	723			843
Accrued expenses	121			195
Alternative Minimum Tax credit carryforwards	16			16
Total deferred tax assets	4,419			3,638
Deferred tax liabilities:
Property and equipment	(514		)	(570		)
Prepaid expense	(80		)	(84		)
Total deferred tax liabilities	(594		)	(654		)
Valuation allowance	(3,597		)	(2,752		)
Net deferred tax assets	$	228		$	232

Components of income tax expense (benefit)

The income tax provision shown on the statement of operations for the years ended December 31, 2012 and 2011 consisted of the following:



	2012		2011
Current	$	27	$	30
Deferred	4		614
	$	31	$	644