INVENTORIES (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Total inventories, net of reserves [Abstract]    
Raw materials $ 3,106,617 $ 6,932,139
Work-in-process 11,048,126 6,031,745
Finished goods 15,074,896 20,441,535
Finished goods on consignment 467,778 293,001
Less inventory reserves (1,567,000) (1,370,000)
Total 28,130,417 32,328,420
Short-term portion 9,770,206 10,739,798
Long-term portion 18,360,211 21,588,622
Inventories issued to active production 7,180,000 3,020,000
Sale of slow moving loose jewel inventory of less desirable quality 6,770,000 2,280,000
Lower of cost or market value 517,000 352,000
Obsolescence reserve for certain fashion finished jewelry inventory 169,000 164,000
Carrying value of inventory reserve for obsolescence of moissanite 258,000 225,000
Shrinkage reserve for finished goods on consignment 46,000 36,000
Inventory of net loose jewels 22,640,000 28,190,000
Inventory reserve for shrinkage of loose jewels 67,000 50,000
Inventory reserve for shrinkage of loose jewels on consignment 7,000 10,000
Inventory reserve for recuts 425,000 449,000
Inventory of net jewelry 5,480,000 4,100,000
Inventory reserve for shrinkage of finished jewelry 102,000 95,000
Inventory reserve for shrinkage of finished jewelry on consignment 39,000 27,000
Inventory reserve for shrinkage of finished jewelry on repairs $ 29,000 $ 31,000