Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 2,751	$ 2,089
Investments	16,109	14,306
Prepaid expenses and other current assets	253	268
Total current assets	19,113	16,663
Equipment, net of accumulated depreciation	293	317
Intangible assets, net of accumulated amortization	6,377	6,543
Goodwill	2,791	2,791
Total assets	28,574	26,314
Current liabilities:
Accounts payable	782	265
Accrued expenses	460	751
Total current liabilities	1,242	1,016
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; authorized - 5,000 shares; issued and outstanding - none
Common stock, $0.001 par value: authorized – 45,000 shares; issued and outstanding – 14,175 shares and 13,315 shares at March 31, 2017 and December 31, 2016, respectively	14	13
Additional paid-in-capital	43,131	37,898
Accumulated other comprehensive loss	(9)	(7)
Accumulated deficit	(15,804)	(12,606)
Total stockholders' equity	27,332	25,298
Total liabilities and stockholders' equity	$ 28,574	$ 26,314

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).