Quarterly report pursuant to Section 13 or 15(d)

Balance sheets (Parenthetical)

v2.4.0.8
Balance sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Allowances for accounts receivable $ 4,139 $ 3,390
Allowances for inventories 152 100
Allowances for rental equipment 682 157
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 100,000 100,000
Preferred stock, shares issued 0 66,666
Preferred stock, shares outstanding 0 66,666
Preferred stock, Liquidation preference 0 250
Common stock, par value $ 0.001 $ 0.001
Common stock, shares authorized 60,000,000 60,000,000
Common stock, shares issued 18,240,043 280,974
Common stock, shares outstanding 18,240,043 280,974
Redeemable convertible preferred stock
    
Preferred stock, par value $ 0.001 $ 0.001
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 9,541,631
Preferred stock, shares outstanding 0 9,541,631
Preferred stock, Liquidation preference $ 0 $ 136,660