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Summary of Significant Accounting Policies (Details Narrative) $ / shares in Units, $ in Thousands	1 Months Ended				3 Months Ended
	Mar. 31, 2019 USD ($) $ / shares shares	Jan. 31, 2019 USD ($) $ / shares	Jul. 31, 2018 USD ($)	May 31, 2018 USD ($)	Mar. 31, 2019 USD ($) Segment $ / shares shares	Mar. 31, 2018 USD ($) shares	Jan. 02, 2019 USD ($)	Dec. 31, 2018 USD ($)	Jun. 30, 2018 $ / shares
Loss from operations					$ (556)	$ (1,781)
Accumulated deficit	$ (62,853)				(62,853)			$ (74,211)
Net cash used in operating activities					(1,476)	$ (965)
Cash resources and restricted investments, marketable securities	4,265				$ 4,265
Number of segments | Segment					2
Non controlling interest description					Generally, any interest that holds less than 50% of the outstanding voting shares is deemed to be a noncontrolling interest
Antidilutive securities | shares					5,838,230	10,106,391
Right of use asset	6,195				$ 6,195		$ 6,325
Lease liability	$ 6,594				$ 6,594		$ 6,712
Melt Series A Stock [Member]
Stock price per shares | $ / shares	$ 5.00	$ 5.00			$ 5.00
Proceeds from issuance of preferred stock	$ 11,400	$ 11,400
Surface Series A Stock [Member]
Proceeds from issuance of preferred stock			$ 21,000	$ 21,000
Eton Pharmaceuticals, Inc. [Member]
Number of shares owned | shares	3,500,000				3,500,000
Stock price per shares | $ / shares	$ 8.00				$ 8.00
Ownership percentage	19.86%				19.86%
Gain on investment					$ 6,580
Fair market value of investments	$ 28,000				$ 28,000
Melt Pharmaceuticals, Inc. [Member]
Number of shares owned | shares	3,500,000				3,500,000
Ownership percentage	44.00%				44.00%
Gain on deconsolidation amount					$ 5,810
Net income (loss)					285
Carrying value of investments	$ 5,525				5,525
Surface Pharmaceuticals Inc [Member]
Loss from operations					$ 812
Number of shares owned | shares	3,500,000				3,500,000
Stock price per shares | $ / shares									$ 3.30
Ownership percentage	30.00%				30.00%
Gain on deconsolidation amount					$ 5,320
Net income (loss)					243
Carrying value of investments	$ 4,704				$ 4,704
Restricted Stock Units [Member]
Number of shares vested during the period | shares					270,783	152,790

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