FINANCING ARRANGEMENTS (Details)			3 Months Ended	9 Months Ended
	Jul. 01, 2015 USD ($) item	May. 07, 2015 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Financing arrangements
Costs and fees related to amended credit agreement		$ 54,838		$ 48,745
Discount on Devicix Notes Payable			$ (151,984)	(151,984)
Debt Issuance Costs			(48,744)	(48,744)
Total debt			7,501,524	7,501,524	$ 4,805,341
Less current maturities			1,399,860	1,399,860	732,835
Long-term debt			6,101,664	6,101,664	4,072,506
Devicix LLC
Financing arrangements
Number of promissory notes | item	2
Market rate	8.00%
Line of credit
Financing arrangements
Maximum borrowing capacity			$ 15,000,000	$ 15,000,000
Variable rate basis				three-month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.25%
Interest rate (as a percent)			2.60%	2.60%
Weighted-average interest rate (as a percent)			2.60%	2.80%
Outstanding balance			$ 6,896,452	$ 6,896,452	7,998,184
Unused availability supported by entity's borrowing base			$ 7,500,000	$ 7,500,000
Real estate term note
Financing arrangements
Variable rate basis				three-month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Interest rate (as a percent)			3.10%	3.10%
Real estate term note maturing on March 31, 2027
Financing arrangements
Debt instrument, face amount			$ 1,800,000	$ 1,800,000
Variable rate basis				three month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Total debt			1,326,611	$ 1,326,611	1,415,461
Real estate term note 2 maturing on December 31, 2027
Financing arrangements
Debt instrument, face amount			1,700,000	$ 1,700,000
Variable rate basis				three month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Total debt			1,376,400	$ 1,376,400	1,460,100
Term loan
Financing arrangements
Outstanding balance			1,000,000	1,000,000
Term loan | Maximum
Financing arrangements
Debt instrument, face amount			1,000,000	1,000,000
Equipment term loan tied to equipment purchased in Mankato acquisition
Financing arrangements
Debt instrument, face amount			2,700,000	$ 2,700,000
Equipment Loan Due January 2016
Financing arrangements
Variable rate basis				three month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Total debt					102,917
Equipment Loan One Due May 2018
Financing arrangements
Variable rate basis				three month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Total debt					1,117,863
Equipment Loan Two Due May 2018
Financing arrangements
Variable rate basis				three month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Total debt					349,000
Equipment Loan Three Due May 2018
Financing arrangements
Variable rate basis				three month LIBOR
Interest rate margin on variable rate basis (as a percent)				2.75%
Total debt			2,552,480	$ 2,552,480
Industrial revenue bond payable to the City of Blue Earth, Minnesota
Financing arrangements
Total debt			$ 280,000	$ 280,000	$ 360,000
Devicix Acq Note 1, subordinate debt, due July 1, 2019
Financing arrangements
Interest rate (as a percent)			4.00%	4.00%
Total debt			$ 942,070	$ 942,070
Devicix Acq Note 2, subordinate debt, due July 1, 2019
Financing arrangements
Interest rate (as a percent)			4.00%	4.00%
Total debt			$ 1,224,691	$ 1,224,691
Promissory note subject to offsets | Devicix LLC
Financing arrangements
Promissory note liability	$ 1,000,000
Term of promissory note	4 years
Interest rate per annum	4.00%
Principal and interest payments	$ 22,579
Fair value of loans	931,000
Promissory note not subject to offsets | Devicix LLC
Financing arrangements
Promissory note liability	$ 1,300,000
Term of promissory note	4 years
Interest rate per annum	4.00%
Principal and interest payments	$ 29,353
Fair value of loans	$ 1,210,000