Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 13,675	$ 14,430
Accounts receivable	1,911	0
Contract asset - current	8,439	0
Prepaid expenses and other current assets	841	105
Total current assets	24,866	14,535
Property and equipment, net of accumulated depreciation of $2,479 and $2,311, respectively	1,289	1,222
Right of use asset - operating lease	4,421
Contract asset - long term	4,279
Other assets	1	1
Total assets	34,856	15,758
Current liabilities:
Accounts payable	1,085	452
Related party payable	3,815	100
Income taxes payable	634	0
Accrued expenses	1,381	1,470
Lease liability, current - operating lease	186
Deferred rent, current		150
Total current liabilities	7,101	2,172
Convertible promissory notes, net of debt discount of $18,003 and $18,003, respectively (see Note 6)	0	0
Accrued interest payable	2,134	1,738
Warrant liability	144	152
Derivative liability	2,557	1,474
Lease liability, operating lease	5,057
Deferred rent		665
Total liabilities	16,993	6,201
Stockholders’ equity:
Series A nonredeemable convertible preferred stock; 8,000 shares designated, 8,000 shares issued and outstanding as of June 30, 2019 and December 31, 2018 respectively; aggregate liquidation preference of $8,771 at June 30, 2019 and $8,600 at December 31, 2018.	0	0
Common stock, $0.001 par value; 150,000,000 shares authorized, 9,758,332 shares issued and outstanding at June 30, 2019 and December 31, 2018.	10	10
Additional paid-in capital	198,856	198,627
Accumulated deficit	(181,003)	(189,080)
Total stockholders’ equity	17,863	9,557
Total liabilities and stockholders’ equity	$ 34,856	$ 15,758