Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.8.0.1
Commitments and Contingencies (Details Textual)
1 Months Ended 3 Months Ended 12 Months Ended
Apr. 01, 2017
ft²
Apr. 30, 2017
Mar. 31, 2017
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
ft²
Commitments and Contingencies (Textual)          
Area of lease property | ft² 4,960       32,649
Operating leases monthly rent expense     $ 15,000   $ 26,825
Extension of lease expiration date         Mar. 31, 2017
Lease agreement, Description Annual escalations on April 1, 2018 to $10,473 per month and on April 1, 2019 to $10,787 per month for the Research Drive property        
Letter of credit, Description   We and Dresser-Rand agreed to modify the requirements for our existing backstop security. As modified, we are required to maintain a $500,000 backstop security, reduced from $2.1 million, and the backstop security was extended from June 2017 to March 31, 2018.      
Rent expense under the leases       $ 137,000 $ 322,000
January through March 2017 [Member]          
Commitments and Contingencies (Textual)          
Rent expense net of sublease income       10,168  
Standby Letter of Credit [Member]          
Commitments and Contingencies (Textual)          
Lease expiration date         Jun. 30, 2017
Lease agreement, Description         (a) replacement of the Letter of Credit with an alternative BSS in favor of Dresser-Rand, (b) Dresser-Rand eliminating the BSS requirement under the CLA, or (c) the last day of the twenty-fourth calendar month following the commencement of the Term. In consideration of the investor's support commitment, the Company paid the investor a one-time fee equal to 4% of the amount of the Letter of Credit and is obligated to pay a monthly fee equal to 1% of the amount of the Letter of Credit for the first twelve months. If the Support Agreement has not terminated after the initial twelve months, the Company will pay another one-time fee equal to 4% of the amount of the Letter of Credit, and a monthly fee equal to 2% of the amount of the Letter of Credit for up to another twelve months.
Secured performance fees       2,100,000  
Line of credit       $ 2,100,000