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Debt Instrument, Paid-In Kind Interest, Cash Payment, Percentage

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Paid-In Kind Interest Rate

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Percentage Of Outstanding Shares.

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Sale Leaseback Transaction, Lease Period

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Number of warrants or rights outstanding.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of the required periodic payments including both interest and principal payments.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The percentage rate used to calculate dividend payments on preferred stock.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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The liability due as of the balance sheet date for leasebacks accounted for using the deposit method.

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Amount of cash inflow before closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in financing activities.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events (Details) - USD ($)									2 Months Ended		12 Months Ended
Subsequent Events (Details) - USD ($)	Apr. 03, 2019	Apr. 01, 2019	Dec. 17, 2018	Dec. 14, 2018	Sep. 10, 2018	Jun. 01, 2018	Jan. 12, 2018	Mar. 31, 2017	Apr. 08, 2019	Feb. 23, 2019	Dec. 31, 2017	Dec. 31, 2016	Feb. 22, 2019	Dec. 31, 2018	Oct. 01, 2018	Nov. 20, 2017	Sep. 30, 2015	Feb. 13, 2014
Subsequent Event [Line Items]
Repayments of overadvance											$ 41,564,000	$ 24,090,000
Acquired beneficial ownership											50.00%							4.99%
Common stock, shares outstanding (in shares)											2,396,219	2,366,219
Monthly payments payable											$ 4,129,000	$ 15,744,000
Purchase price											0	5,211,000
KBS Loan Agreement
Subsequent Event [Line Items]
Line of credit with maximum borrowing availability											4,000,000.0
Subsequent Event
Subsequent Event [Line Items]
Unsecured promissory note principal amount														$ 1,400,000.0
Jeffrey E. Eberwein \| Subsequent Event
Subsequent Event [Line Items]
Percentage of outstanding shares			17.40%			17.00%
Common stock, shares outstanding (in shares)						415,012
Series B Cumulative Preferred Stock \| Subsequent Event
Subsequent Event [Line Items]
Dividend rate percentage			10.00%			10.00%
Promissory note payable to Gerber Finance, secured, interest at the current prime rate plus 3.0% payable monthly with any unpaid principal and interest due on December 31, 2018
Subsequent Event [Line Items]
Monthly payments payable											$ 3,000,000	$ 3,000,000
Promissory note payable to Gerber Finance, secured, interest at the current prime rate plus 3.0% payable monthly with any unpaid principal and interest due on December 31, 2018 \| Subsequent Event
Subsequent Event [Line Items]
Debt instrument periodic payment									$ 75,000.0
Eight Amendment To Loan And Security Agreement \| Subsequent Event \| KBS Loan Agreement
Subsequent Event [Line Items]
Line of credit with maximum borrowing availability															$ 600,000.0
Debt instrument periodic payment										$ 75,000
Repayments of overadvance	$ 600,000
Ninth Amendment To Loan And Security Agreement \| Subsequent Event \| KBS Loan Agreement
Subsequent Event [Line Items]
Line of credit with maximum borrowing availability													$ 600,000.0
LSV Co-Invest I Promissory Note, Issued January 12, 2018 \| Promissory Note
Subsequent Event [Line Items]
Interest payment percentage in cash								50.00%
Interest payment percentage in PIK interest								50.00%
LSV Co-Invest I Promissory Note, Issued January 12, 2018 \| Promissory Note \| Subsequent Event
Subsequent Event [Line Items]
Unsecured promissory note principal amount							$ 500,000.0
Debt interest rate							10.00%
Paid-in kind interest rate							12.00%
Interest payment percentage in cash							50.00%
Interest payment percentage in PIK interest							50.00%
LSV Co-Invest I Promissory Note, Issued June 01, 2018 \| Promissory Note \| Subsequent Event
Subsequent Event [Line Items]
Unsecured promissory note principal amount						$ 900,000
Debt interest rate						10.00%
Paid-in kind interest rate						12.00%
Digirad Unsecured Promissory Note, Issued December 12, 2018 \| Promissory Note \| Subsequent Event
Subsequent Event [Line Items]
Unsecured promissory note principal amount				$ 300,000
Digirad Unsecured Promissory Note, Issued December 12, 2018 \| Promissory Note \| Minimum \| Subsequent Event
Subsequent Event [Line Items]
Debt interest rate				10.00%
Digirad Unsecured Promissory Note, Issued December 12, 2018 \| Promissory Note \| Maximum \| Subsequent Event
Subsequent Event [Line Items]
Debt interest rate				12.00%
Lone Star Value Management, Unsecured Promissory Note, Issued December 17, 2018 \| Promissory Note \| Subsequent Event
Subsequent Event [Line Items]
Unsecured promissory note principal amount			$ 300,000
Debt interest rate			10.00%
Paid-in kind interest rate			12.00%
LSV Co-Invest I Promissory Notes \| Promissory Note \| Subsequent Event
Subsequent Event [Line Items]
Monthly payments payable			$ 1,400,000
Digirad \| Jeffrey E. Eberwein \| Subsequent Event
Subsequent Event [Line Items]
Percentage of outstanding shares			2.70%
Common stock, shares outstanding (in shares)			544,152
ATRM Holdings, Inc. \| Jeffrey E. Eberwein \| Subsequent Event
Subsequent Event [Line Items]
Percentage of outstanding shares					17.40%
ATRM Holdings, Inc. \| LSVI
Subsequent Event [Line Items]
Common stock rights offering (in shares)																	900,000
ATRM Holdings, Inc. \| LSVI \| Subsequent Event
Subsequent Event [Line Items]
Percentage of outstanding shares							45.10%
Common stock, shares outstanding (in shares)							1,067,885
ATRM Holdings, Inc. \| LSVI \| Common Class B \| Subsequent Event
Subsequent Event [Line Items]
Common stock, shares outstanding (in shares)			216,094		216,094	209,800
ATRM Holdings, Inc. \| LSV Co-Invest I \| Series B Cumulative Preferred Stock \| Subsequent Event
Subsequent Event [Line Items]
Common stock, shares outstanding (in shares)			363,651		363,651	353,060
ATRM Holdings, Inc. \| LSVI GP \| Subsequent Event
Subsequent Event [Line Items]
Common stock, shares outstanding (in shares)			3,005
ATRM Holdings, Inc. \| LSVI GP \| Common Stock \| Subsequent Event
Subsequent Event [Line Items]
Common stock, shares outstanding (in shares)						3,005
LSVM \| Subsequent Event
Subsequent Event [Line Items]
Purchase price		$ 100.00
ATRM Holdings, Inc. \| Digirad \| Subsequent Event
Subsequent Event [Line Items]
Increase in percent of shares outstanding					5.00%
Payment Guarantee \| Director
Subsequent Event [Line Items]
Guarantor obligation																$ 500,000
Payment Guarantee \| Director \| Subsequent Event
Subsequent Event [Line Items]
Guarantor obligation		$ 600,000
Star Procurement, LLC \| Subsequent Event
Subsequent Event [Line Items]
Acquired beneficial ownership				50.00%
Initial capital contribution				$ 1,000,000
947 Waterford \| Subsequent Event
Subsequent Event [Line Items]
Lease purchase price	$ 1,000,000
Lease initial term	120 months
947 Waterford \| Minimum \| Subsequent Event
Subsequent Event [Line Items]
Base rental payments	$ 1,200,000
947 Waterford \| Maximum \| Subsequent Event
Subsequent Event [Line Items]
Base rental payments	1,300,000
Park Lease \| Subsequent Event
Subsequent Event [Line Items]
Lease purchase price	$ 2,900,000.00
Lease initial term	120 months
Park Lease \| Minimum \| Subsequent Event
Subsequent Event [Line Items]
Base rental payments	$ 3,300,000
Park Lease \| Maximum \| Subsequent Event
Subsequent Event [Line Items]
Base rental payments	$ 3,600,000
Oxford Lease \| Subsequent Event
Subsequent Event [Line Items]
Lease initial term	120 months
Oxford Lease \| Minimum \| Subsequent Event
Subsequent Event [Line Items]
Base rental payments	$ 1,400,000
Oxford Lease \| Maximum \| Subsequent Event
Subsequent Event [Line Items]
Base rental payments	$ 1,600,000