Quarterly report pursuant to Section 13 or 15(d)

Balance Sheets

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Balance Sheets (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Current assets    
Cash and cash equivalents $ 59,550 $ 13,521
Accounts receivable, net of allowances of $3,417 and $3,390 at March 31, 2014 and December 31, 2013, respectively 18,084 10,231
Inventories, net of allowances of $110 and $100 at March 31, 2014 and December 31, 2013, respectively 4,651 4,248
Deferred cost of rental revenue 283 289
Income tax receivable   87
Deferred tax asset-current 3,923 3,923
Prepaid expenses and other current assets 959 531
Total current assets 87,450 32,830
Property and equipment    
Rental equipment, net of allowances of $282 and $156 at March 31, 2014 and December 31, 2013, respectively 39,832 37,573
Manufacturing equipment and tooling 2,584 2,551
Computer equipment and software 3,228 2,973
Furniture and equipment 603 601
Leasehold improvements 888 887
Construction in process 971 1,093
Total property and equipment 48,106 45,678
Less accumulated depreciation (18,282) (15,956)
Property and equipment, net 29,824 29,722
Intangible assets, net 345 215
Deferred tax asset - noncurrent 17,807 17,865
Other assets 80 1,765
Total assets 135,506 82,397
Current liabilities    
Accounts payable and accrued expenses 10,411 9,219
Accrued payroll 3,829 2,898
Current portion of long-term debt 5,038 5,258
Warranty reserve 490 420
Deferred revenue 1,716 1,487
Income tax payable 432  
Total current liabilities 21,916 19,282
Long-term liabilities    
Warranty reserve-noncurrent 431 389
Preferred stock warrant liability   260
Deferred revenue-noncurrent 1,104 776
Long-term debt, net of current portion 4,151 5,391
Total liabilities 27,602 26,098
Commitments and contingencies (Note 5)      
Preferred stock, $0.001 par value per share; 10,000,000 shares authorized; 0 and 9,541,631 shares issued and outstanding; liquidation preference of $0 and $136,660 at March 31, 2014 and December 31, 2013, respectively    118,671
Stockholders' equity (deficit)    
Preferred stock, $0.001 par value per share; 100,000 shares authorized; 0 and 66,666 shares issued and outstanding; liquidation preference of $0 and $250 at March 31, 2014 and December 31, 2013, respectively   247
Common stock, $0.001 par value per share; 60,000,000 shares authorized for both periods; 18,151,551 and 280,974 shares issued and outstanding at March 31, 2014 and December 31, 2013, respectively 18 1
Additional paid-in-capital 170,517  
Accumulated deficit (62,631) (62,620)
Total stockholders' equity (deficit) 107,904 (62,372)
Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit) $ 135,506 $ 82,397