CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets
Cash	$ 12,425	$ 13,492
Accounts Receivable, Net
Trade - billed (less allowance for doubtful accounts of approximately $482 and $437, respectively), including contract retentions	12,668	10,013
Trade - Unbilled	560	439
Inventories, Net
Raw Materials	1,907	1,143
Finished Goods	1,624	1,702
Prepaid Expenses	472	551
Refundable Income Taxes	234	411
Total Current Assets	29,890	27,751
Property And Equipment, Net	22,906	21,926
Deferred Buy-back Lease Asset, Net	1,964	3,390
Other Assets	252	258
Total Assets	55,012	53,325
Current Liabilities
Accounts Payable - Trade	3,732	2,071
Accrued Expenses And Other Liabilities	1,020	657
Deferred Revenue	1,666	2,454
Accrued Compensation	771	1,036
Accrued Income Taxes	122	2,033
Deferred Buy-back Lease Obligation	2,160	3,776
Operating Leases Liabilities	92	89
Current Maturities Of Notes Payable	613	468
Customer Deposits	1,309	1,325
Total Current Liabilities	11,485	13,909
Deferred Revenues	2,598	1,865
Operating Lease Liabilities	75	122
Notes Payable - Less Current Maturities	6,105	3,724
Deferred Tax Liability	1,956	1,955
Total Liabilities	22,219	21,575
Stockholders' Equity
Preferred Stock, $.01 Par Value; Authorized 1,000,000 Shares, None Issued And Outstanding	0	0
Common stock, $.01 par value; authorized 8,000,000 shares; 5,353,095 and 5,353,095 issued and 5,230,658 and 5,229,658 outstanding, respectively	53	53
Additional Paid-in Capital	7,187	6,935
Treasury Stock, At Cost, 40,920 Shares	(102)	(102)
Retained Earnings	25,655	24,864
Total Stockholders' Equity	32,793	31,750
Total Liabilities And Stockholders' Equity	$ 55,012	$ 53,325