Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities
Net loss	$ (5,502)	$ (6,911)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	116	65
Stock-based compensation	2,280	4,189
Warrant issued for services	40	249
Loss on extinguishment of accounts payable		82
Changes in operating assets and liabilities of business, net of acquisitions:
Prepaid expenses		91
Accounts payable and accrued expenses	(605)	249
Deferred rent	115
Net cash used in operating activities	(3,556)	(1,986)
Cash flows from investing activities
Purchase of fixed assets	(188)	(25)
Net cash used in investing activities	(188)	(25)
Cash flows from financing activities
Proceeds from issuance of preferred stock and warrants	1,700	1,670
Proceeds from issuance of common stock in private placements	1,800
Options exercised for cash	22	6
Vested options exchanged for cash		(25)
Warrants exercised for cash	200
Advances from related parties		412
Repayments of advances from related parties	(22)	(32)
Net cash provided by financing activities	3,700	2,031
Net (decrease) increase in cash	(44)	20
Cash and restricted cash at beginning of period	612	592
Cash and restricted cash at end of period	568	612
Non cash financing and investing activities:
Beneficial conversion feature of Series A preferred stock and deemed dividends related to beneficial conversion feature of Series A preferred stock	(956)	(807)
Issuance of warrants in preferred stock offering and deemed dividend on Series A preferred stock	(687)	(649)
Accrued Series A dividends	(378)	(115)
Conversion of advances from related parties to preferred stock	250	150
Common stock and warrants issued for extinguishment of accounts payable		192
Preferred stock converted to common stock	55
Purchase of assets included in accounts payable	59
Forgiveness of the lease payments	104
Shares issued for acquiring ownership of subsidiary	$ 30