Liquidity and managements plans.

No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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- Definition

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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- Definition

The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.

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- Definition

Number of new stock issued during the period.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Liquidity and Management's Plans - Additional Information (Detail) - USD ($) $ in Thousands			6 Months Ended
	May 21, 2018	May 17, 2018	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Jan. 06, 2017
Liquidity And Managements Plans [Line Items]
Cash			$ 55,724	$ 27,508	$ 21,195	$ 32,019
Net cash flows from operating activities			(11,745)	$ (16,711)
Stockholders' equity			40,737		$ 8,877
Proceed from close of preferred stock	$ 47,900		$ 50,000
Series B Non-Voting Convertible Preferred Stock [Member]
Liquidity And Managements Plans [Line Items]
Series B issuance, shares		5,000