001 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:definitionLink link:calculationLink 002 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) link:presentationLink link:definitionLink link:calculationLink 003 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) Alternate 0 link:presentationLink link:definitionLink link:calculationLink 004 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:presentationLink link:definitionLink link:calculationLink 005 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equity link:presentationLink link:definitionLink link:calculationLink 006 - Disclosure - NOTE A - CONDENSED CONSOLIDATED FINANCIAL STATEMENTS link:presentationLink link:definitionLink link:calculationLink 007 - Disclosure - NOTE B - EARNINGS PER SHARE link:presentationLink link:definitionLink link:calculationLink 008 - Disclosure - NOTE C - COSTS AND ESTIMATED EARNINGS IN EXCESS OF BILLINGS, NET link:presentationLink link:definitionLink link:calculationLink 009 - Disclosure - NOTE D - TREASURY STOCK TRANSACTIONS link:presentationLink link:definitionLink link:calculationLink 010 - Disclosure - NOTE E - INVENTORIES link:presentationLink link:definitionLink link:calculationLink 011 - Disclosure - NOTE F - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES link:presentationLink link:definitionLink link:calculationLink 012 - Disclosure - NOTE G - SEGMENT INFORMATION link:presentationLink link:definitionLink link:calculationLink 013 - Disclosure - NOTE H - INVESTMENT IN MORION, INC. link:presentationLink link:definitionLink link:calculationLink 014 - Disclosure - NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS link:presentationLink link:definitionLink link:calculationLink 015 - Disclosure - NOTE J - RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS link:presentationLink link:definitionLink link:calculationLink 016 - Disclosure - NOTE K - CREDIT FACILITY link:presentationLink link:definitionLink link:calculationLink 017 - Disclosure - NOTE L - VALUATION ALLOWANCE ON DEFERRED TAX ASSETS link:presentationLink link:definitionLink link:calculationLink 018 - Disclosure - NOTE B - EARNINGS PER SHARE (Tables) link:presentationLink link:definitionLink link:calculationLink 019 - Disclosure - NOTE C - COSTS AND ESTIMATED EARNINGS IN EXCESS OF BILLINGS, NET (Tables) link:presentationLink link:definitionLink link:calculationLink 020 - Disclosure - NOTE E - INVENTORIES (Tables) link:presentationLink link:definitionLink link:calculationLink 021 - Disclosure - NOTE F - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES (Tables) link:presentationLink link:definitionLink link:calculationLink 022 - Disclosure - NOTE G - SEGMENT INFORMATION (Tables) link:presentationLink link:definitionLink link:calculationLink 023 - Disclosure - NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables) link:presentationLink link:definitionLink link:calculationLink 024 - Disclosure - NOTE B - EARNINGS PER SHARE (Details) link:presentationLink link:definitionLink link:calculationLink 025 - Disclosure - NOTE B - EARNINGS PER SHARE (Details) - Schedule of Earnings Per Share, Basic and Diluted link:presentationLink link:definitionLink link:calculationLink 026 - Disclosure - NOTE C - COSTS AND ESTIMATED EARNINGS IN EXCESS OF BILLINGS, NET (Details) link:presentationLink link:definitionLink link:calculationLink 027 - Disclosure - NOTE C - COSTS AND ESTIMATED EARNINGS IN EXCESS OF BILLINGS, NET (Details) - Costs and Estimated Earnings in Excess of Billings, Net link:presentationLink link:definitionLink link:calculationLink 028 - Disclosure - NOTE D - TREASURY STOCK TRANSACTIONS (Details) link:presentationLink link:definitionLink link:calculationLink 029 - Disclosure - NOTE E - INVENTORIES (Details) link:presentationLink link:definitionLink link:calculationLink 030 - Disclosure - NOTE E - INVENTORIES (Details) - Schedule of Inventory, Current link:presentationLink link:definitionLink link:calculationLink 031 - Disclosure - NOTE F - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES (Details) link:presentationLink link:definitionLink link:calculationLink 032 - Disclosure - NOTE F - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES (Details) - Lessee, Operating Lease, Disclosure link:presentationLink link:definitionLink link:calculationLink 033 - Disclosure - NOTE F - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES (Details) - Schedule of Future Minimum Rental Payments for Operating Leases link:presentationLink link:definitionLink link:calculationLink 034 - Disclosure - NOTE F - RIGHT-OF-USE ASSETS AND LEASE LIABILITIES (Details) - Lessee, Operating Lease, Liability, Maturity link:presentationLink link:definitionLink link:calculationLink 035 - Disclosure - NOTE G - SEGMENT INFORMATION (Details) link:presentationLink link:definitionLink link:calculationLink 036 - Disclosure - NOTE G - SEGMENT INFORMATION (Details) - Reconciliation of Revenue from Segments to Consolidated link:presentationLink link:definitionLink link:calculationLink 037 - Disclosure - NOTE G - SEGMENT INFORMATION (Details) - Reconciliation of Operating Profit (Loss) from Segments to Consolidated link:presentationLink link:definitionLink link:calculationLink 038 - Disclosure - NOTE G - SEGMENT INFORMATION (Details) - Schedule of Reconciliation of Assets from Segment to Consolidated link:presentationLink link:definitionLink link:calculationLink 039 - Disclosure - NOTE G - SEGMENT INFORMATION (Details) - Disaggregation of Revenue link:presentationLink link:definitionLink link:calculationLink 040 - Disclosure - NOTE G - SEGMENT INFORMATION (Details) - Revenue from External Customers by Products and Services link:presentationLink link:definitionLink link:calculationLink 041 - Disclosure - NOTE H - INVESTMENT IN MORION, INC. (Details) link:presentationLink link:definitionLink link:calculationLink 042 - Disclosure - NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) link:presentationLink link:definitionLink link:calculationLink 043 - Disclosure - NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Schedule of Available-for-sale Securities Reconciliation link:presentationLink link:definitionLink link:calculationLink 044 - Disclosure - NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value link:presentationLink link:definitionLink link:calculationLink 045 - Disclosure - NOTE I - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details) - Investments Classified by Contractual Maturity Date link:presentationLink link:definitionLink link:calculationLink 046 - Disclosure - NOTE J - RECENTLY ISSUED ACCOUNTING PRONOUNCEMENTS (Details) link:presentationLink link:definitionLink link:calculationLink 000 - Document - Document And Entity Information link:presentationLink link:definitionLink link:calculationLink