FINANCING ARRANGEMENTS (Details)
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3 Months Ended |
9 Months Ended |
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Jul. 01, 2015
USD ($)
item
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Sep. 30, 2016
USD ($)
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Sep. 30, 2016
USD ($)
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Sep. 30, 2015
USD ($)
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Dec. 31, 2015
USD ($)
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| Financing arrangements |
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| Costs and fees related to amended credit agreement |
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$ 48,745
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| Weighted-average interest rate (as a percent) |
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3.00%
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3.00%
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| Total debt |
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$ 6,941,929
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$ 6,941,929
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$ 7,636,429
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| Discount on Devicix Notes Payable |
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(112,336)
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(112,336)
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(142,072)
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| Debt Issuance Costs |
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(30,466)
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(30,466)
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(44,175)
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| Total debt |
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6,799,127
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6,799,127
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7,450,182
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| Current maturities of long-term debt |
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(1,559,641)
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(1,559,641)
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(1,495,513)
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| Long-term debt |
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5,239,486
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5,239,486
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5,954,669
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| Devicix LLC |
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| Financing arrangements |
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| Number of promissory notes | item |
2
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| Line of credit |
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| Financing arrangements |
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| Maximum borrowing capacity |
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$ 15,000,000
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$ 15,000,000
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| Variable rate basis |
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three-month LIBOR
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| Interest rate margin on variable rate basis (as a percent) |
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2.25%
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| Interest rate (as a percent) |
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3.10%
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3.10%
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| Outstanding balance |
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$ 8,213,268
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$ 8,213,268
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7,691,237
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| Unused availability supported by entity's borrowing base |
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$ 6,069,923
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$ 6,069,923
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| Real estate term note |
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| Financing arrangements |
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| Variable rate basis |
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three-month LIBOR
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| Interest rate margin on variable rate basis (as a percent) |
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2.75%
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| Interest rate (as a percent) |
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3.60%
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3.60%
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| Amount of annual principal payments |
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$ 19,000
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$ 19,000
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| Real estate term note maturing on March 31, 2027 |
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| Financing arrangements |
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| Debt instrument, face amount |
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1,800,000
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1,800,000
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| Real estate term note 2 maturing on December 31, 2027 |
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| Financing arrangements |
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| Debt instrument, face amount |
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1,700,000
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1,700,000
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| Term loan | Maximum |
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| Financing arrangements |
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| Debt instrument, face amount |
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1,000,000
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1,000,000
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| Equipment term loan tied to equipment purchased in Mankato acquisition |
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| Financing arrangements |
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| Debt instrument, face amount |
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$ 2,700,000
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$ 2,700,000
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| Industrial revenue bond payable to the City of Blue Earth, Minnesota |
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| Financing arrangements |
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| Interest rate (as a percent) |
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0.25%
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0.25%
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| Amount of annual principal payments |
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$ 80,000
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$ 80,000
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| Total debt |
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200,000
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$ 200,000
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280,000
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| Equipment notes maturing in May 2018 |
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| Financing arrangements |
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| Variable rate basis |
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three month LIBOR
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| Interest rate margin on variable rate basis (as a percent) |
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2.75%
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| Amount of annual principal payments |
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46,000
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$ 46,000
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| Total debt |
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2,648,680
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2,648,680
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2,633,740
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| Real estate term notes |
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| Financing arrangements |
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| Total debt |
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$ 2,472,945
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$ 2,472,945
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2,645,495
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| Devicix Acq Note 1, subordinate debt, due July 1, 2019 |
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| Financing arrangements |
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| Interest rate (as a percent) |
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4.00%
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4.00%
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| Total debt |
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$ 704,480
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$ 704,480
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903,128
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| Devicix Acq Note 2, subordinate debt, due July 1, 2019 |
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| Financing arrangements |
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| Interest rate (as a percent) |
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4.00%
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4.00%
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| Total debt |
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$ 915,824
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$ 915,824
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$ 1,174,066
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| Promissory note subject to offsets | Devicix LLC |
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| Financing arrangements |
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| Promissory note liability |
$ 1,000,000
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| Term of promissory note |
4 years
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| Interest rate per annum |
4.00%
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| Principal and interest payments |
$ 22,579
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| Promissory note not subject to offsets | Devicix LLC |
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| Financing arrangements |
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| Promissory note liability |
$ 1,300,000
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| Term of promissory note |
4 years
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| Interest rate per annum |
4.00%
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| Principal and interest payments |
$ 29,353
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