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Note Receivable | 6 Months Ended | 12 Months Ended
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Jun. 30, 2017 | Dec. 31, 2016
Notes |  |
Note Receivable | NOTE 3 – Note Receivable On May 1, 2017, the Company completed funding a loan in the principal amount of $250,000 to Jaguar Precision Machine, LLC, a New Mexico limited liability company, pursuant to a Secured Convertible Promissory Note dated May 1, 2017 delivered by Jaguar to the Company. The loan bears interest at the rate of 7% per annum, is due and payable in full on May 1, 2018, is secured by certain assets of Jaguar, and is convertible at the Company’s option into 10% of the outstanding shares of the common stock of Jaguar unless Jaguar exercises its right under specified circumstances to repay all principal and accrued interest on the loan. The purpose of the loan is to provide working capital to Jaguar to, among other things, stand up a metallurgical laboratory and become ASM9100 certified for contracts related to AM of high-precision aerospace and defense components, in furtherance of our strategic alliance. Sigma will receive from Jaguar priority for use of certain machines and services of Jaguar. On March 27, 2017, the Company completed funding a loan in the principal amount of $500,000 to Morf3D, Inc., an Illinois corporation, pursuant to a Secured Convertible Promissory Note dated March 27, 2017 delivered by Morf3D to the Company. The loan bears interest at the rate of 7% per annum, is due and payable in full on March 27, 2018, is secured by certain assets of Morf3D, and is convertible at the Company’s option into 10% of the outstanding shares of the common stock of Morf3D unless Morf3D exercises its right under specified circumstances to repay all principal and accrued interest on the loan. The purpose of the loan is to provide working capital to Morf3D to, among other things, lease an EOS M 400 system for Morf3D for Morf3D to expand production for contracts related to AM of high-precision aerospace and defense components, in furtherance of our strategic alliance and in contemplation of a possible acquisition of or merger with Morf3D (although discussions regarding a possible acquisition of or merger with Morf3D are not currently ongoing). |

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- Definition The entire disclosure for financing receivables. Examples of financing receivables include, but are not limited to, loans, trade accounts receivables, notes receivable, credit cards, and receivables relating to a lessor's right(s) to payment(s) from a lease other than an operating lease that is recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
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