Annual report pursuant to Section 13 and 15(d)

Lease Commitments (Details Textual)

v3.8.0.1
Lease Commitments (Details Textual)
12 Months Ended
Dec. 31, 2017
USD ($)
Lease Commitments (Textual)  
Rent expense under operating leases $ 641,408
Minimum [Member]  
Lease Commitments (Textual)  
Rent expense under operating leases 900
Maximum [Member]  
Lease Commitments (Textual)  
Rent expense under operating leases $ 5,600