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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 9 Months Ended
Sep. 24, 2016
Sep. 26, 2015
Cash flows from operating activities:    
Net loss $ (17,876,600) $ (7,768,453)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation and amortization 949,854 1,860,300
Accretion (amortization) of premium or discount on marketable debt securities 104,282 291,252
Stock-based compensation 1,479,481 2,786,494
Foreign currency losses (gains) 1,715,901 (1,012,904)
Provision for Doubtful Accounts 0 74,500
Deferred Income Tax Expense (Benefit) 1,192,128 (75,000)
Gain (Loss) on Disposition of Property Plant Equipment (7,700,522) 0
Gain on sale of investments 0 (7,960,022)
Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities 503,115 1,405,369
Changes in assets and liabilities:    
Accounts receivable (524,084) 1,398,155
Inventory (1,231,705) 88,853
Increase (Decrease) in Prepaid Expense and Other Assets (213,028) (71,409)
Accounts payable and accrued expenses 1,271,171 (2,349,429)
Billings in excess of revenue earned (132,740) 1,048,675
Net cash used in operating activities (20,036,691) (10,140,801)
Cash flows from investing activities:    
Other assets (7,801) 17,063
Capital expenditures (329,414) (993,299)
Proceeds from sale of marketable debt securities 43,836,978 18,483,666
Purchase of marketable debt securities (45,905,075) (14,465,311)
Proceeds from sale of investments 0 7,960,022
Proceeds from Sale of Buildings 8,106,819 0
Proceeds from Divestiture of Businesses 15,000,000 0
Net cash provided by investing activities 20,701,507 11,002,141
Net cash used in financing activities    
Proceeds from Stock Options Exercised 0 86,047
Settlements of restricted stock for tax withholding obligations (9,153) (459,609)
Net cash used in financing activities (9,153) (373,562)
Effect of exchange rate changes on cash 574,850 (146,096)
Net increase in cash and equivalents 1,230,513 341,682
Cash and equivalents:    
Beginning of period 19,767,889 14,635,801
End of period 20,998,402  
Supplemental disclosure of cash flow information:    
Income taxes paid 366,000 57,000
Supplemental schedule of noncash investing activities:    
Construction in progress included in accrued expenses 0 0
Non cash proceeds from exercise of warrants $ 0 $ 1,330,000,000