ConversionPoint Merger (Details)				3 Months Ended
	Mar. 01, 2019 shares	Nov. 02, 2018 USD ($) $ / shares	Nov. 01, 2018 USD ($)	Mar. 31, 2019 USD ($) shares	Dec. 31, 2018 shares
Restructuring Cost and Reserve [Line Items]
Common stock shares authorized (in shares) | shares	60,000,000			40,000,000	40,000,000
Convertible Subordinated Debt | Subordinated Promissory Note
Restructuring Cost and Reserve [Line Items]
Conversion price (in dollars per share) | $ / shares		$ 0.44
Shares pursuant to conversion to shares issued and outstanding, percentage		0.1999
Convertible Subordinated Debt | Subordinated Promissory Note, Merger Termination
Restructuring Cost and Reserve [Line Items]
Conversion price (in dollars per share) | $ / shares		$ 0.35
Line of Credit
Restructuring Cost and Reserve [Line Items]
Stated interest rate		10.00%	10.00%
Conversion Point Holdings Inc
Restructuring Cost and Reserve [Line Items]
Face amount		$ 36,000,000
Conversion Point Holdings Inc | Line of Credit
Restructuring Cost and Reserve [Line Items]
Line of credit facility, maximum borrowing capacity		2,000,000	$ 2,000,000
Proceeds from lines of credit		$ 1,000,000	$ 1,000,000
Merger With Conversion Point Technologies
Restructuring Cost and Reserve [Line Items]
Merger agreement consideration, price per share (in dollars per share) | $ / shares		$ 0.45
Merger agreement consideration, share conversion ratio		0.18877
Termination fee				$ 2,800,000
Merger With Conversion Point Technologies | Conversion Point Holdings Inc
Restructuring Cost and Reserve [Line Items]
Merger agreement consideration, share conversion ratio		0.9840
Merger agreement consideration, share conversion per option		0.2370
Termination fee				$ 2,800,000
Merger With Conversion Point Technologies Amendment One
Restructuring Cost and Reserve [Line Items]
Shares approved for issuance (in shares) | shares	3,272,728