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Potomac Amendment (Details Textual) - USD ($)
1 Months Ended 12 Months Ended
Apr. 12, 2017
Dec. 08, 2015
Oct. 02, 2015
Nov. 13, 2014
Sep. 09, 2014
Sep. 08, 2014
Aug. 13, 2014
May 15, 2014
May 28, 2016
Dec. 23, 2015
Jul. 20, 2015
Feb. 17, 2015
Oct. 31, 2014
Sep. 17, 2014
Dec. 17, 2013
Jul. 31, 2017
Feb. 29, 2016
Sep. 22, 2015
Jul. 28, 2014
Jul. 22, 2014
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities   $ 500,000 $ 618,000 $ 1,033,614 $ 500,000 $ 444,530 $ 422,344 $ 300,000 $ 266,500 $ 715,500 $ 250,000 $ 988,042 $ 500,000 $ 500,000 $ 250,000          
Percentage Interest In Asset   0.75% 0.824% 2.06723% 0.98% 0.88891% 0.84469% 1.50% 0.35533% 0.954% 0.50% 1.97609% 0.98% 1.00% 0.50%   1.50% 2.1333% 0.22294% 6.00%
Potomac Construction Limited [Member]                                        
Potomac Amendment [Line Items]                                        
Other Financing Securities Buyback Terms the Potomac DAVINCI Interest Buyback Notice is provided within 2.5 years of the Potomac Effective Date, the Company shall pay Potomac two times the Potomac DAVINCI Interest Buyback Amount within ten business days of providing the Potomac DAVINCI Interest Buyback Notice; provided, further, that, in the event the Potomac DAVINCI Interest Buyback Notice is provided after 2.5 years of the Potomac Effective Date and on or prior to the Potomac DAVINCI Interest Buyback Expiration Date, the Company will pay Potomac 3.5 times the Potomac DAVINCI Interest Buyback Amount within ten business days of providing the Potomac DAVINCI Interest Buyback Notice.                                      
Deferred Compensation Arrangement, Cash Awards Granted As a Percentage of Net Proceeds from Divestiture 2.5525%                                      
Deferred Compensation Arrangement, Shares Authorized for Repurchase 382,875                                      
Deferred Compensation Arrangement, Percentage of Shares Authorized for Repurchase 2.5525%                                      
Deferred Compensation Arrangement Cash Awards Granted As Percentage Of Net Profit 2.5525%                                      
Deferred Compensation Arrangement with Individual, Recorded Liability $ 159,500                                      
Potomac Construction Limited [Member] | General and Administrative Expense [Member]                                        
Potomac Amendment [Line Items]                                        
Other Nonrecurring Expense 159,500                                      
Potomac Construction Limited [Member] | Potomac Amendment One [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 600,000                                      
Percentage Interest In Asset 6.00%                                      
Other Financing Securities Buyback Terms the Potomac Interest No. 1 Buyback Notice is provided within 3.25 years of the date of the Investment, the Company shall pay Potomac 1.8 times the Potomac Interest No. 1 Buyback Amount within ten business days of providing the Potomac Interest No. 1 Buyback Notice; provided, further, that in the event the Potomac Interest No. 1 Buyback Notice is provided after 3.25 years of the date of the Investment and no later than 4.25 years from the date of the Investment, the Company shall pay Potomac 3.15 times the Potomac Interest No. 1 Buyback Amount within ten business days of providing the Potomac Interest No. 1 Buyback Notice.                             6.0        
Potomac Construction Limited [Member] | Potomac Amendment Two [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 150,000                                      
Percentage Interest In Asset 1.50%                                      
Other Financing Securities Buyback Terms the Potomac Interest No. 2 Buyback Notice is provided within 3.25 years of the date of the Investment, the Company shall pay Potomac 1.8 times the Potomac Interest No. 2 Buyback Amount within ten business days of providing the Potomac Interest No. 2 Buyback Notice; provided, further, that in the event the Potomac Interest No. 2 Buyback Notice is provided after 3.25 years of the date of the Investment and no later than 4.25 years from the date of the Investment, the Company shall pay Potomac 3.15 times the Potomac Interest No. 2 Buyback Amount within ten business days of providing the Potomac Interest No. 2 Buyback Notice.                                      
Potomac Construction Limited [Member] | Potomac Amendment Three [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 500,000                                      
Percentage Interest In Asset 0.98%                                      
Other Financing Securities Buyback Terms the Potomac Interest No. 3 Buyback Notice is provided within 3.25 years of the date of the Investment, the Company shall pay Potomac 1.8 times the Potomac Interest No. 3 Buyback Amount within ten business days of providing the Potomac Interest No. 3 Buyback Notice; provided, further, that in the event the Potomac Interest No. 3 Buyback Notice is provided after 3.25 years of the date of the Investment and on or prior to the Potomac Interest No. 3 Buyback Expiration Date, the Company shall pay Potomac 3.15 times the Potomac Interest No. 3 Buyback Amount within ten business days of providing the Potomac Interest No. 3 Buyback Notice.                                      
Potomac Construction Limited [Member] | Potomac Amendment Four [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 500,000                                      
Percentage Interest In Asset 0.98%                                      
Other Financing Securities Buyback Terms the Potomac Interest No. 4 Buyback Notice is provided within 3.25 years of the date of the Investment, the Company shall pay Potomac 1.8 times the Potomac Interest No. 4 Buyback Amount within ten business days of providing the Potomac Interest No. 4 Buyback Notice; provided, further, that in the event the Potomac Interest No. 4 Buyback Notice is provided after 3.25 years of the date of the Investment and on or prior to the Potomac Interest No. 4 Buyback Expiration Date, the Company shall pay Potomac 3.15 times the Potomac Interest No. 4 Buyback Amount within ten business days of providing the Potomac Interest No. 4 Buyback Notice.                                      
Potomac Construction Limited [Member] | Potomac Amendment Five [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 500,000                                      
Percentage Interest In Asset 0.75%                                      
Other Financing Securities Buyback Terms the Potomac Interest No. 5 Buyback Notice is provided within 3.25 years of the date of the Investment, the Company shall pay Potomac 1.8 times the Potomac Interest No. 5 Buyback Amount within ten business days of providing the Potomac Interest No. 5 Buyback Notice; provided, further, that in the event the Potomac Interest No. 5 Buyback Notice is provided after 3.25 years of the date of the Investment and on or prior to the Potomac Interest No. 5 Buyback Expiration Date, the Company shall pay Potomac 3.15 times the Potomac Interest No. 5 Buyback Amount within ten business days of providing the Potomac Interest No. 5 Buyback Notice.                                      
Potomac Construction Limited [Member] | Potomac Amendment Five Additional [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 500,000                                      
Percentage Interest In Asset 0.75%                                      
Other Financing Securities Buyback Terms Additional Interest Buyback Notice is provided within 3.25 years of the date of the Additional Investment, the Company shall pay Potomac 1.8 times the Potomac Additional Interest Buyback Amount within ten business days of providing the Potomac Additional Interest Buyback Notice; provided, further, that in the event the Potomac Additional Interest Buyback Notice is provided after 3.25 years of the date of the Additional Investment and on or prior to the Potomac Additional Interest Buyback Expiration Date, the Company shall pay Potomac 3.15 times the Potomac Additional Interest Buyback Amount within ten business days of providing the Potomac Additional Interest Buyback Notice. However, Potomac opted, at its sole discretion, not to make the $1,000,000 Additional Investment, and the deadline for Potomac to make the Additional Investment has passed.                                      
SWK Funding LLC [Member]                                        
Potomac Amendment [Line Items]                                        
Proceeds from (Payments for) Other Financing Activities $ 3,000,000