Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash Flows From Operating Activities
Net loss	$ (6,263)	$ (3,419)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,235	873
Interest accretion	109	129
Mark to market on warrants	(26)	(3)
Stock-based compensation	418	538
Bad debt expense	250
Other gains and expenses, net		18
Other changes in operating assets and liabilities:
Decrease (increase) in accounts receivable	148	(1,738)
(Increase) decrease in other current assets	(1,125)	11
(Decrease) increase in accounts payable	(356)	93
(Decrease) increase in accrued salaries and bonus	(476)	325
(Decrease) increase in accrued liabilities	(1,052)	156
Increase in long-term liabilities	16	57
Net cash used in operating activities	(7,122)	(2,960)
Cash Flows From Investing Activity
Purchase of property and equipment		(12)
Sale of property and equipment		13
Net cash provided by investing activity		1
Cash Flows From Financing Activities
Issuance of common stock, net of expenses	434	6,015
Payments on Line of Credit	(1,800)
Issuance of Series B preferred stock, net of expenses	19,537
Net cash provided by financing activities	18,171	6,015
Net increase in cash and cash equivalents	11,049	3,056
Cash and cash equivalents - beginning	2,321	6,068
Cash and cash equivalents - ending	$ 13,370	$ 9,124