CONSOLIDATED BALANCE SHEETS - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Current assets:    
Cash and cash equivalents $ 22,118,000 $ 15,205,000
Marketable securities 83,130,000 0
Accounts receivable, net of allowances for doubtful accounts of $223 and $168 as of December 31, 2016 and 2015, respectively 42,294,000 24,235,000
Deferred sales commissions 9,667,000 6,246,000
Prepaid expenses and other current assets 6,614,000 2,801,000
Total current assets 163,823,000 48,487,000
Capitalized software development costs, net 4,591,000 2,967,000
Property and equipment, net 11,318,000 12,419,000
Intangible assets, net 54,118,000 56,828,000
Goodwill 185,138,000 163,154,000
Other assets 1,449,000 2,895,000
Total assets 420,437,000 286,750,000
Current liabilities:    
Accounts payable 7,165,000 4,648,000
Accrued expenses and other current liabilities 18,931,000 15,012,000
Deferred revenue 80,360,000 52,750,000
Short-term portion of contingent consideration 2,008,000 2,008,000
Total current liabilities 108,464,000 74,418,000
Term loan, net   28,267,000
Common stock warrant liability 11,380,000 5,500,000
Contingent consideration 3,230,000 2,859,000
Deferred tax liabilities, net 1,262,000 5,907,000
Deferred revenue, noncurrent 2,373,000  
Other long-term liabilities 2,318,000 3,631,000
Total liabilities 129,027,000 120,582,000
Commitments and contingencies (Note 10)
Stockholders' equity:    
Preferred stock, $0.01 par value, 50,000,000 shares authorized, no shares issued and outstanding as of December 31, 2016 and 2015
Common stock, $0.01 par value, 500,000,000 shares authorized, 51,277,964 issued and outstanding as of December 31, 2016 and 40,720,327 issued and 40,673,327 outstanding as of December 31, 2015 513,000 407,000
Treasury stock, 0 shares and 47,000 shares at cost at December 31, 2016 and 2015, respectively   (254,000)
Additional paid-in capital 378,272,000 214,171,000
Accumulated other comprehensive income (41,000)  
Accumulated deficit (87,334,000) (48,156,000)
Total stockholders' equity 291,410,000 166,168,000
Total liabilities and stockholders' equity $ 420,437,000 $ 286,750,000