Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 34,242	$ 11,638
Marketable securities	33,513	44,496
Trade accounts receivable, net	3,897	5,078
Other current assets	1,858	1,695
Total current assets	73,510	62,907
Marketable securities	0	4,392
Property and equipment, net	3,846	3,570
Intangibles, net	6,416	6,422
Goodwill	1,114	1,114
Other assets	281	331
Total assets	85,167	78,736
Current liabilities:
Accounts payable and other accrued liabilities	1,731	1,523
Deferred revenue	2,121	2,923
Total current liabilities	3,852	4,446
Deferred rent and other long-term liabilities	1,029	956
Total liabilities	4,881	5,402
Commitments and contingencies (Note 13)
Shareholders’ equity:
Preferred stock (par value $0.001 per share, 2,500 authorized, 10 shares issued and outstanding at June 30, 2017 and December 31, 2016)	50	50
Common stock (par value $0.001 per share, 50,000 authorized, 11,263 and 10,523 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively)	11	11
Additional paid-in capital	141,123	120,985
Accumulated deficit	(60,898)	(47,712)
Total shareholders’ equity	80,286	73,334
Total liabilities and shareholders’ equity	$ 85,167	$ 78,736

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.