Long-Term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands		Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Total long-term debt		$ 12,835	$ 9,587
Current portion		(1,075)	(45)
Noncurrent portion		11,760	9,542
Promissory note payable to LSVI, unsecured, interest of 10% per annum payable semi-annually in July and January, with any unpaid principal and interest due on April 1, 2019 [Member]
Total long-term debt		5,000	5,000
Promissory notes payable to LSV Co-Invest I, unsecured, interest of 10% per annum payable semi-annually in July and January, with any unpaid principal and interest due on April 1, 2019 [Member]
Total long-term debt		4,500	$ 4,500
Promissory note payable to LSVI, unsecured, interest of 10% per annum payable semi-annually in July and January, with any unpaid principal and interest due on April 1, 2019 [Member]
Total long-term debt	[1]	1,000
Promissory note payable, unsecured, interest imputed at 9.5% [Member]
Total long-term debt	[2]	2,274
Notes payable, secured by equipment, interest rates from 5.0% to 9.5%, with varying maturity dates through September 2018 [Member]
Total long-term debt		$ 61		$ 87

[1] On February 25, 2015, in order to provide additional working capital to ATRM, we entered into a Securities Purchase Agreement with LSVI pursuant to which it purchased for $1.0 million in cash, an unsecured promissory note made by ATRM in the principal amount of $1.0 million.

[2] Promissory note payable to the principal seller of KBS, payable in monthly installments of $100,000 through July 2017 (see Note 13).