Annual report pursuant to Section 13 and 15(d)

Notes Payable - Narrative (Details)

v3.3.1.900
Notes Payable - Narrative (Details)
 1 Months Ended
Dec. 22, 2014
USD ($)
Jan. 31, 2013
USD ($)
Feb. 28, 2015
USD ($)
d
$ / shares
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Oct. 18, 2013
USD ($)
Jul. 31, 2013
USD ($)
Jul. 09, 2013
USD ($)
Debt Instrument [Line Items]                
Notes payable and accrued interest, current       $ 749,000 $ 752,000      
Notes payable balance       72,242,000 3,015,000      
Notes payable and accrued interest, non-current       71,493,000 2,263,000      
Line of Credit                
Debt Instrument [Line Items]                
Line of Credit Facility, Fair Value of Amount Outstanding       900,000 900,000      
Term Loan | Citibank                
Debt Instrument [Line Items]                
Maximum borrowing capacity on line of credit $ 2,400,000              
Loan payment 200,000              
Debt Issuance Cost 300,000              
Notes payable balance       1,300,000 2,000,000      
Revolving Credit Facility | Citibank                
Debt Instrument [Line Items]                
Maximum borrowing capacity on line of credit $ 20,000,000.0     $ 20,000,000 $ 20,000,000      
PMG Stock Purchase                
Debt Instrument [Line Items]                
Long term debt assumed during business acquisition             $ 3,300,000 $ 3,300,000
Effective interest rate percentage         3.25%      
PMG Stock Purchase | Line of Credit                
Debt Instrument [Line Items]                
Long term debt assumed during business acquisition             1,800,000  
PMG Stock Purchase | Term Loan                
Debt Instrument [Line Items]                
Long term debt assumed during business acquisition             $ 1,500,000  
IFES Acquisition Corp Limited                
Debt Instrument [Line Items]                
Long term debt assumed during business acquisition           $ 1,300,000    
Effective interest rate percentage       1.75%        
Term Loan                
Debt Instrument [Line Items]                
Notes payable and accrued interest, current       $ 690,000 $ 690,000      
Notes payable and accrued interest, non-current       654,000 1,344,000      
Commercial mortgage loan                
Debt Instrument [Line Items]                
Notes payable and accrued interest, current       59,000 62,000      
Notes payable and accrued interest, non-current       796,000 882,000      
Commercial mortgage loan | IFES Acquisition Corp Limited | Mortgage letters maturing October 2014                
Debt Instrument [Line Items]                
Long term debt assumed during business acquisition           200,000    
Commercial mortgage loan | IFES Acquisition Corp Limited | Mortgage letters maturing October 2032                
Debt Instrument [Line Items]                
Long term debt assumed during business acquisition           $ 1,100,000    
Convertible Debt                
Debt Instrument [Line Items]                
Debt instrument, face amount     $ 82,500,000.0          
Stated interest rate     2.75%          
Conversion ratio     0.0539084          
Conversion price (in dollar per share) | $ / shares     $ 18.55          
Convertible bridge loan     $ 69,500,000          
Debt Instrument, Convertible, Carrying Amount of Equity Component     13,000,000 13,000,000        
Notes payable and accrued interest, non-current       70,000,000 0      
Convertible Debt | Liability                
Debt Instrument [Line Items]                
Deferred Finance Costs, Gross     1,800,000          
Convertible Debt | Additional Paid-in Capital                
Debt Instrument [Line Items]                
Deferred Finance Costs, Gross     $ 300,000          
Convertible Debt | After March 31, 2015 | Redemption Scenario One                
Debt Instrument [Line Items]                
Threshold percent of stock price trigger     130.00%          
Convertible Debt | After March 31, 2015 | Redemption Scenario Two                
Debt Instrument [Line Items]                
Threshold percent of stock price trigger     98.00%          
Consecutive business days to redeem | d     5          
Consecutive trading days     5 days          
Convertible Debt | If Company Undergoes a Fundamental Change                
Debt Instrument [Line Items]                
Redemption price as a percent     100.00%          
Convertible Debt | On or After February 20, 2019                
Debt Instrument [Line Items]                
Threshold percent of stock price trigger     130.00%          
Consecutive trading days     30 days          
Trading days | d     20          
Convertible Debt | On or After February 20, 2022                
Debt Instrument [Line Items]                
Redemption price as a percent     100.00%          
Subordinated bank loan | Capital Efficiency Group AG | Subordinated Bank Loan Due March 7, 2014                
Debt Instrument [Line Items]                
Debt instrument, face amount   $ 2,600,000            
Stated interest rate   8.80%            
Subordinated bank loan | Capital Efficiency Group AG | Annual Interest Rate | Subordinated Bank Loan Due March 7, 2014                
Debt Instrument [Line Items]                
Periodic principal payment, as a percent   1.00%            
Subordinated bank loan | Capital Efficiency Group AG | Quarterly Interest Rate | Subordinated Bank Loan Due March 7, 2014                
Debt Instrument [Line Items]                
Stated interest rate   7.80%            
Loans Payable | UniCredit Bank AG                
Debt Instrument [Line Items]                
Debt instrument, face amount   $ 15,900,000            
Debt instrument, term   4 years            
Repayment of long-term borrowings   $ 700,000            
Repayments of debt   $ 2,200,000            
Loans Payable | UniCredit Bank AG | Six-month Euribor                
Debt Instrument [Line Items]                
Basis spread on variable rate   2.35%            
Other Debt Obligations [Member]                
Debt Instrument [Line Items]                
Notes payable and accrued interest, non-current       $ 30,000 $ 37,000