Commitments and Contingencies (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2019

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Future Minimum Payments

Total future minimum payments required under the sublease agreement are as follows:

Years ended December 31,	Amount
2019 (remaining nine months)	$	62
2020		7
Total undiscounted minimum future lease payments	$	69
Less Imputed interest		(3	)
Present value of operating lease liabilities	$	66

Total future minimum payments required under the sublease agreement are as follows:

Years ended December 31,	Amount
2019	$	85
2020		7
Total	$	92