Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net loss	$ (4,077,000)	$ (1,566,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	8,237	2,831
Accretion of discount on note receivable		(25,000)
Amortization of debt discount		109,000
Stock based compensation expense	2,964,000	606,000
Loss on write-down of property and equipment, net	15,000
Gain on disposal of property and equipment		(1,000)
Changes in assets and liabilities:
Accounts receivable	(464,000)
Other current assets	(956,000)	(7,000)
Other non-current assets	18,000	3,000
Accounts payable	146,000	168,000
Accrued liabilities	390,000	(31,000)
Other non-current liabilities	(18,000)
Net cash used in operating activities	(1,974,000)	(741,000)
Cash flows from investing activities:
Purchase of property and equipment, net	(3,000)	(35,000)
Net cash used in investing activities	(3,000)	(35,000)
Cash flows from financing activities:
Proceeds from issuance of common stock	11,000,000
Proceeds from issuance of debt, net of issuance costs		500,000
Principal repayments of debt	(2,149,000)	(10,000)
Payments for deferred offering costs	(1,121,000)	(188,000)
Net cash provided by financing activities	7,730,000	302,000
Net change in cash and cash equivalents	5,753,000	(474,000)
Cash and cash equivalents at the beginning of the period	2,446,000	938,000
Cash and cash equivalents at the end of the period	8,199,000	464,000
Supplemental cash flow disclosures:
Cash paid for interest expense	5,000	96,000
Cash paid for income taxes
Non-cash transactions:
Deferred offering costs reclassified to equity	76,000
Conversion of Debt [Member]
Non-cash transactions:
Common stock issued due to debt conversion		$ 726,000