Balance Sheet Account Details

6 Months Ended

Jun. 30, 2012

Balance Sheet Account Details [Abstract]

Balance Sheet Account Details

(2) Balance Sheet Account Details

Short-Term Investments

During the six months ended June 30, 2012, the Company purchased commercial paper, corporate notes and bonds and U.S. government agency securities, all with maturities of less than twelve months. The following is a summary of short-term investments at June 30, 2012 (in thousands):

	June 30, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair  Value
Available-for-sale securities:
Commercial paper	$	5,993	$	4	$	(1	)	$	5,996
Corporate notes and bonds		14,781		3		(8	)		14,776
U.S. government agency securities		2,023		—		—			2,023
Total available-for-sale securities	$	22,797	$	7	$	(9	)	$	22,795

As of June 30, 2012, the Company had certain available-for-sale securities in a gross unrealized loss position, all of which had been in such position for less than twelve months. There were no impairments considered other-than-temporary as it is more likely than not the Company will hold the securities until maturity or a recovery of the cost basis. The following table shows the fair values and the gross unrealized losses of these available-for-sale securities aggregated by investment category (in thousands):

	June 30, 2012
	Fair Value		Gross Unrealized Losses
Commercial paper	$	1,999	$	(1	)
Corporate notes and bonds		8,621		(8	)
Total	$	10,620	$	(9	)

For the six months ended June 30, 2012, gross realized gains were not significant and there were no gross realized losses as a result of sales of the Company’s securities.

Property and Equipment, net

Property and equipment, net consists of the following (in thousands):

	June 30, 2012			December 31, 2011
Computer equipment and software	$	32,479		$	16,586
Furniture and fixtures		1,969			1,755
Leasehold improvements		2,907			2,795
Construction in progress		6,470			3,740
		43,825			24,876
Less: accumulated depreciation		(8,373	)		(4,181	)
Total property and equipment, net	$	35,452		$	20,695

Construction in progress consists primarily of leasehold improvements and servers, networking equipment and storage infrastructure being provisioned in our new third-party data center hosting facilities. Depreciation expense for the three months ended June 30, 2012 and 2011 was $2.8 million and $0.6 million, respectively, and for the six months ended June 30, 2012 and 2011 was $4.9 million and $1.0 million, respectively.

Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consists of the following (in thousands):

	June 30, 2012		December 31, 2011
Taxes payable	$	2,734	$	7,399
Bonuses and commissions		6,284		6,080
Accrued compensation		7,674		3,570
Accrued third-party professional services		2,165		1,919
Other employee expenses		2,404		1,809
Other		8,397		4,831
Total accrued expenses and other current liabilities	$	29,658	$	25,608