Annual report pursuant to Section 13 and 15(d)

Note 17 - Subsequent Events (Details Textual)

Note 17 - Subsequent Events (Details Textual)					1 Months Ended		12 Months Ended
Note 17 - Subsequent Events (Details Textual)	Mar. 24, 2016 USD ($)	Mar. 23, 2016 USD ($)	Feb. 17, 2016 USD ($)	Feb. 04, 2016 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 29, 2015 USD ($)	Dec. 31, 2014 USD ($)
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| After March 23, 2019 [Member]
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations		0.00%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Pays Off on or Before March 23, 2017 [Member]
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations		1.00%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Pays Off After March 23, 2017 But Prior to or on March 23, 2018 [Member]
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations		0.50%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| After March 23, 2018 Prior to or on March 23, 2019 [Member]
Debt Instrument Percentage of Total Finacing to be Paid Upon Early Retirement of Debt Obligations		0.25%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Term Loan [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	2.25%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	3.25%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Term Loan [Member]
Long-term Debt	$ 6,100,000
Debt Instrument, Periodic Payment, Principal	$ 102,000
Debt Instrument, Term	5 years
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Revolving Credit Facility [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Revolving Credit Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	2.75%
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 12,000,000
Release of Borrowing Reduction on Line of Credit	1,000,000
Line of Credit Facility Reduction	1,500,000
Subsequent Event [Member] \| Amendment 7 [Member] \| PNC Bank [Member]
Debt Instrument, Annual Spending Limit for Capital Spending	3,000,000	$ 6,000,000
Debt Issuance Cost	$ 70,000
Debt Instrument, Termination Notice		90 days
Subsequent Event [Member] \| PFMI [Member]
Escrow Deposit, Forfeit			$ 10,000
Deposit Received, Held in Escrow			$ 10,000
Subsequent Event [Member] \| Management Incentive Plans [Member] \| Chief Executive Officer [Member]
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Percentage				5.00%
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Percentage				100.00%
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Amount				$ 13,962
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Amount				$ 279,248
Subsequent Event [Member] \| Management Incentive Plans [Member] \| Chief Operating Officer [Member]
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Percentage				5.00%
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Percentage				100.00%
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Amount				$ 10,750
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Amount				$ 215,000
Subsequent Event [Member] \| Management Incentive Plans [Member] \| Chief Financial Officer [Member]
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Percentage				5.00%
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Percentage				100.00%
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Minimum, Amount				$ 11,033
Deferred Compensation Arrangement with Individual, Cash Awards Granted, Maximum, Amount				$ 220,667
PNC Bank [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility Reduction							$ 1,500,000
Scenario, Forecast [Member] \| PFMI [Member] \| Maximum [Member]
Credit Against Purchase Price						$ 15,000
Scenario, Forecast [Member] \| PFMI [Member]
Credit Against Purchase Price, Percentage of Funds Paid						50.00%
Disposal Group, Including Discontinued Operation, Consideration Receive at Closing					$ 50,000	$ 50,000
Escrow Deposit, Remaining Amount					10,000	10,000
Disposal Group, Including Discontinued Operation, Consideration, After Closing					$ 375,000	$ 375,000
Disposal Group, Including Discontinued Operation, Consideration, Number of Monthly Installment Payments					60	60
Disposal Group, Including Discontinued Operation, Consideration, Installment Payment					$ 7,250
PFMI [Member]
Escrow Deposit								$ 20,000
Disposal Group, Including Discontinued Operation, Consideration								$ 450,000
Long-term Debt							$ 9,988,000		$ 11,372,000