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General Credit Agreement	9 Months Ended
General Credit Agreement	Sep. 30, 2016
General Credit Agreement [Abstract]
General Credit Agreement	5. GENERAL CREDIT AGREEMENT The Company had a general credit and security agreement with Bremer Bank, which provided a revolving credit line of up to $3,000,000 and which expired on September 30, 2016. The line of credit was collateralized by all receivables, inventory, equipment, and general intangibles of the Company. This agreement was replaced with a new agreement, See Note 9. Subsequent Events. The Company had no borrowings under the credit line during the nine months ended September 30, 2016 or the year ended December 31, 2015.