Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of account and note receivables due from other than related parties.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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-Name Accounting Standards Codification
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Value of all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by shareholders, which is net of related treasury stock. May be all or a portion of the number of preferred shares authorized. These shares represent the ownership interest of the preferred shareholders.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Basis of Presentation - (Details) $ in Millions	Feb. 21, 2017 shares	Sep. 30, 2017 USD ($) shares	Aug. 15, 2017 USD ($)	Feb. 20, 2017 shares	Jan. 31, 2017 shares	Jan. 23, 2017 USD ($)	Jan. 22, 2017	Dec. 31, 2016 USD ($) shares
Related Party Transaction [Line Items]
Non-voting preferred stock, issued		$ 0.0						$ 0.0
Reverse stock split conversion ratio	0.1
Common stock, shares authorized (in shares) \| shares	10,000,000	10,000,000		100,000,000	1,500,000			10,000,000
NXSN Acquisition Corp
Related Party Transaction [Line Items]
Noncontrolling interest, percentage held by noncontrolling owners						50.00%
Senior secured convertible promissory note						$ 25.0
Noncontrolling interest, percentage held by parent						50.00%	100.00%
Non-voting preferred stock, outstanding		$ 10.0
Non-voting preferred stock, issued		$ 5.6	$ 5.3