Quarterly report pursuant to Section 13 or 15(d)

Operating Segments - Summary of Operating Information (Details)

v3.8.0.1
Operating Segments - Summary of Operating Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Revenues $ 17,043,820 $ 17,949,320 $ 44,309,031 $ 50,884,575
Net income (loss) after taxes and before non-controlling interest 4,859,314 2,138,217 6,340,051 1,144,590
Intercompany Revenue [Member]        
Revenues 476,065 405,258 1,863,136 2,558,992
North America [Member]        
Net income (loss) after taxes and before non-controlling interest (11,777) (302,353) (242,229) (569,170)
Europe [Member]        
Net income (loss) after taxes and before non-controlling interest 265,831 (199,215) 545,876 (1,492,986)
Europe [Member] | Intercompany Revenue [Member]        
Revenues 137,864 112,419 379,567 343,599
Asia - Pacific [Member]        
Net income (loss) after taxes and before non-controlling interest 5,134,308 3,786,853 8,862,093 6,533,246
Asia - Pacific [Member] | Intercompany Revenue [Member]        
Revenues 338,201 292,839 1,483,569 2,215,393
Corporate Headquarters [Member]        
Net income (loss) after taxes and before non-controlling interest (529,048) (1,147,068) (2,825,689) (3,326,500)
Unaffiliated Customers [Member]        
Revenues 15,654,078 15,938,527 39,363,177 43,499,397
Unaffiliated Customers [Member] | North America [Member]        
Revenues 998,403 1,111,897 3,134,113 4,467,325
Unaffiliated Customers [Member] | Europe [Member]        
Revenues 1,764,651 1,579,486 4,873,688 3,133,101
Unaffiliated Customers [Member] | Asia - Pacific [Member]        
Revenues 12,891,024 13,247,144 31,355,376 35,898,971
Affiliated Customers [Member]        
Revenues 1,389,742 2,010,793 4,945,854 7,385,178
Affiliated Customers [Member] | Europe [Member]        
Revenues 464,976 229,081 1,508,867 2,031,339
Affiliated Customers [Member] | Asia - Pacific [Member]        
Revenues $ 924,766 $ 1,781,712 $ 3,436,987 $ 5,353,839