General and Basis of Presentation (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2020 USD ($) Segment Reportingunit shares	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | Segment	1
Disaggregation of Revenue [Abstract]
Revenue	$ 38,980,000	$ 31,166,000
Components of Accounts Receivable [Abstract]
Billed accounts receivable	12,468,000		$ 11,917,000
Unbilled receivables	15,392,000		16,745,000
Allowance for doubtful accounts	(722,000)		(720,000)
Receivables - net	27,138,000		27,942,000
Components of Contract Liabilities [Abstract]
Contract liabilities	7,416,000		6,337,000
Revenue, Performance Obligation [Abstract]
Remaining performance obligation	102,500,000		112,400,000
Revenue recognized included in opening contract liabilities	$ 2,400,000	1,800,000
Accounts Receivable [Abstract]
Percentage of initial payment by factor of U.S. Federal government receivables	90.00%
Percentage of initial payment by factor of commercial prime contractors	85.00%
Maximum limit of sold receivables	$ 10,000,000
Sold receivables during the period	0	5,000,000
Loss recognized in selling, general and administrative expenses		18,000
Balance of sold receivables	0
Inventories [Abstract]
Gross inventory	3,600,000		2,800,000
Inventory obsolescence reserves	861,000		860,000
Software Development Costs [Abstract]
Capitalized software development costs	7,100,000		5,600,000
Amortization expense	500,000	400,000
Accumulated amortization	$ 3,600,000		3,100,000
Goodwill [Abstract]
Number of reporting units | Reportingunit	3
Goodwill amortization period for income tax purposes	15 years
Accumulated Other Comprehensive Income [Abstract]
Cumulative foreign currency translation loss	$ (102,000)		(101,000)
Cumulative actuarial gain on pension liability adjustment	107,000		107,000
Accumulated other comprehensive income	5,000		6,000
ASC 606 [Member]
Revenue from Contract with Customer [Abstract]
Revenue accruals for multiple contracts as a result of cumulative indirect rate adjustments			$ 6,000,000
Firm Fixed-Price [Member]
Disaggregation of Revenue [Abstract]
Revenue	31,662,000	24,930,000
Time-and-Materials [Member]
Disaggregation of Revenue [Abstract]
Revenue	3,825,000	3,928,000
Cost Plus Fixed Fee [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 3,493,000	2,308,000
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-07-01
Revenue, Performance Obligation [Abstract]
Remaining performance obligation percentage	94.40%
Remaining performance obligation, expected timing of satisfaction, period	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Revenue, Performance Obligation [Abstract]
Remaining performance obligation percentage	4.70%
Remaining performance obligation, expected timing of satisfaction, period
Minimum [Member]
Software Development Costs [Abstract]
Software development estimated useful life	2 years
Maximum [Member]
Software Development Costs [Abstract]
Software development estimated useful life	3 years
Federal [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 36,092,000	28,984,000
State & Local, and Commercial [Member]
Disaggregation of Revenue [Abstract]
Revenue	$ 2,888,000	$ 2,182,000
Restricted Stock Grants [Member]
Restricted Stock Grants [Abstract]
Restricted stock remained subject to vesting (in shares) | shares	1,153,750
Restricted stock vested on date of grant	25.00%
Restricted stock vest on anniversary of the date of grant	25.00%