CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Cash flow from operating activities
Net loss	$ (3,968)	$ (3,593)
Adjustments to reconcile net loss to net cash used in operating activities
Stock-based compensation	338	263
Amortization of technology license	0	80
Amortization of right of use assets	56	0
Depreciation	99	132
(Increase) decrease in operating assets
Prepaid drug product for testing	(322)	(215)
Other current assets	(42)	(251)
Increase (decrease) in operating liabilities
Accounts payable and accrued expenses	(328)	214
Lease liabilities	(56)	0
Net cash used in operating activities	(4,223)	(3,370)
Cash flow from investing activities
Purchases of furniture, fixtures & equipment	0	(17)
Net cash used in investing activities	0	(17)
Cash flow from financing activities
Net proceeds from sale of common stock	19,411	0
Net proceeds from exercise of warrants	914	0
Net cash provided by financing activities	20,325	0
Net increase (decrease) in cash	16,102	(3,387)
Cash, beginning of period	1,004	5,965
Cash, end of period	$ 17,106	$ 2,578

Amount of Increase Decrease in Operating Lease Liabilities.

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Amount of Operating Lease Right of Use Assets Amortization.

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Amount of increase (decrease) in current assets classified as other.

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The increase (decrease) during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods.

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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