Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
CURRENT ASSETS
Cash and cash equivalents	$ 19,524	$ 5,084
Accounts receivable	50	56
Prepaid expenses and other current assets	536	160
Restricted cash	100	0
Investment held-to-maturity	0	4,747
TOTAL CURRENT ASSETS	20,210	10,047
PROPERTY AND EQUIPMENT
Fixed assets	3,212	2,269
Less: Accumulated depreciation and amortization	(1,858)	(1,275)
PROPERTY AND EQUIPMENT, NET	1,354	994
NONCURRENT ASSETS
Intangible assets, net	1,353	1,253
Restricted cash	0	100
Goodwill	824	789
Other assets	19	16
TOTAL NONCURRENT ASSETS	2,196	2,158
TOTAL ASSETS	23,760	13,199
CURRENT LIABILITIES
Accounts payable	708	905
Accrued expenses	314	35
Accrued salaries and payroll related expenses	1,936	1,765
Deferred revenue, current	143	279
Deferred rent, current	0	20
TOTAL CURRENT LIABILITIES	3,101	3,004
LONG-TERM LIABILITIES
Deferred revenue	0	46
Deferred rent	10	0
Deferred income taxes	1	16
TOTAL LIABILITIES	3,112	3,066
Commitments and contingencies (Note 9)
STOCKHOLDERS’ EQUITY
Common stock, $0.001 par value, 47,000,000 authorized and 12,468,647 issued and outstanding as of December 31, 2016, and 19,511,276 issued and outstanding as of December 31, 2017	20	12
Preferred stock, $0.001 par value, 3,000,000 authorized and none outstanding as of December 31, 2016 and 2017	0	0
Additional paid-in capital	88,447	56,331
Accumulated other comprehensive loss	(7)	(51)
Accumulated deficit	(67,812)	(46,159)
TOTAL STOCKHOLDERS’ EQUITY	20,648	10,133
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 23,760	$ 13,199