Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 11,638	$ 3,160
Marketable securities	44,496	33,027
Trade accounts receivable, net	5,078	4,616
Other current assets	1,695	1,487
Total current assets	62,907	42,290
Marketable securities	4,392	2,999
Property and equipment, net	3,570	3,010
Intangibles, net	6,422	6,613
Goodwill	1,114	1,114
Other assets	331	338
Total assets	78,736	56,364
Current liabilities:
Accounts payable and other accrued liabilities	1,523	1,657
Deferred revenue	2,923	3,023
Total current liabilities	4,446	4,680
Deferred rent and other long-term liabilities	956	226
Total liabilities	5,402	4,906
Commitments and contingencies (Note 13)
Shareholders’ equity:
Preferred stock (par value $0.001 per share, 2,500 authorized, 10 shares issued and outstanding at December 31, 2016 and 2015)	50	50
Common stock (par value $0.001 per share, 50,000 authorized, 10,523 and 8,919 shares issued and outstanding at December 31, 2016 and 2015, respectively)	11	9
Additional paid-in capital	120,985	77,439
Accumulated deficit	(47,712)	(26,040)
Total shareholders’ equity	73,334	51,458
Total liabilities and shareholders’ equity	$ 78,736	$ 56,364

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.