Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v2.4.1.9
Summary of Significant Accounting Policies (Details Textual) (USD $)
0 Months Ended 3 Months Ended 12 Months Ended
Sep. 13, 2010
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2011
Dec. 31, 2014
Summary Of Significant Accounting Policies [Line Items]          
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions 100.00%us-gaap_SubsidiaryOrEquityMethodInvesteeCumulativePercentageOwnershipAfterAllTransactions        
Number Of Shares Exchanged For Each Share Of Acquired Entity (in shares) 6.67us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued        
Allowance for Doubtful Accounts Receivable, Current   $ 4,884us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent     $ 4,884us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Research and Development Expense   70,147us-gaap_ResearchAndDevelopmentExpense 0us-gaap_ResearchAndDevelopmentExpense    
Inventory, Raw Materials, Gross   10,796us-gaap_InventoryRawMaterials      
Inventory, Work in Process, Gross   $ 51,648us-gaap_InventoryWorkInProcess      
Sumner and La Mancha [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Stock Issued During Period, Shares, Purchase Of Assets (in shares)       35,000,000us-gaap_StockIssuedDuringPeriodSharesPurchaseOfAssets
/ us-gaap_BusinessAcquisitionAxis
= sglb_SumnerAndLaManchaMember
 
Business Acquisition, Percentage of Voting Interests Acquired       100.00%us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
/ us-gaap_BusinessAcquisitionAxis
= sglb_SumnerAndLaManchaMember
 
Patents [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Finite-Lived Intangible Assets, Useful Life, Maximum   17 years      
Customer Contacts [Member]          
Summary Of Significant Accounting Policies [Line Items]          
Finite-Lived Intangible Assets, Useful Life, Maximum   3 years